Mechanical clock movement with pendulum

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• It has the popular 131-041 25cm Hermle clock movement. Also has volume control and an automatic night silence option. Aug 19, 2022 · Oil the escapement pallets. Wait 24 hours. Brand New · Town. We offer the best-of-the-best brands like Hermle and Kieninger. Clock Pendulum Leaders. Use two needle nose pliers to twist open the link that is holding the hook or ring. The main swinger part measures 5 1/2" x 2 5/8" x 2". Standard pendulums drive up to 16" rods. Hermle Clock Movement 241-840. It takes a size #8 crank (If cable). If you're looking for a mechanical clock movement, you've come to the right place! Whether you're looking to replace an old movement or are building from a woodworking plan, we'll help you select the right movement for your project. The basis for both ways are on the smallest The Hermle 1161-853 114cm Cable-Driven, Triple-Chime Mechanical Clock Movement is a precise 8-day movement that features 12 finely-tuned chime rods that play your choice of the Westminster, Whittington, or St. Nov 23, 2020 · Working with the minute hand. The unit itself measures 2 1/8″ x 3 3/4″ x 7/8″. Will need to go to a clock that has the double end key. Regulating your clock is the act of making repeated adjustments to your clock with the intent of achieving a desired affect, that is, making your clock a more reliable timekeeper. Jun 28, 2024 · pendulum, body suspended from a fixed point so that it can swing back and forth under the influence of gravity. 38 inches. Specifications: Case Size: 5″H x 2-1/4″W x 1-1/4″D. Use our handy guides to find the exact part you need, or give us a call and talk to our expert team to get your old clock back to working condition. If you were to substitute a pendulum from an old mechanical movement, you would probably find that the pendulum is too heavy to be operated by a battery operated movement. Turn the nut 1 turn (360 degrees) in the proper direction. Time-Only Mechanical Clock Movement. Replacement movement made in India for the USA made time strike movements commonly found in Time-Strike Clock Movement Replacement. $91. Free shipping on many items | Browse your favorite brands | affordable prices. This is an 8-Day Mechanical Wall Clock Kit, German made, gong strike, spring driven movement. Typical: $17. The diameter is the measurement from one side to the other. This unit will chime as if it was a big grandfather clock. The pendulum in a clock is disturbed by the pushes it receives from the clock movement, so freeswinging pendulums were used, and were the standard instruments of gravimetry up to the 1930s. It has the popular 131-081 18cm Hermle clock movement. The most compact chime pendulum unit offered here at Clockworks with 3 1/4" x 5 1/4" x 1 5/16" for measurements. The round portion of this case back is 4 1/2 inches and then the hook part and the attachment portion sticks out more than this. Nov 23, 2020 · The clock pendulum suspension spring is the short spring steel part on the very top of the pendulum assembly. $2. A convenient chime silencer shuts off the chime. Straight rods brass and silver in the center with a hooked top to fit Hermle units and others. 3 mm (39. A movement, a clock dial (the face of the clock with the numbers), a set of Minute and Hour hands, and maybe a Second hand. The vibrations drive the motor, which moves the clock hand. 5cm = 10 1/2 Drop. Mantle clock pendulum bob for antique clocks with the F-S regulator. It was a popular unit for shelf clocks and wall clock applications because it was compact and ran a short pendulum. 2 1/8″ x 3 3/4″ x 7/8″. It chimes either Westminster only or three songs with triple Traditional quartz wall clocks that feature a chiming melody will generally offer a dual chime option, such as some of these chiming wall clocks. Mechanism Ansonia Clock model mechanism: c. $59. The included pendulum rod can be shortened to a minimum of 4" and the hook is 1" from the L = g(T/pi)^2. Shelf Clock-Kit. Add to Favorites. Best to restore the old unit whenever possible. Identifying and ordering a new Hermle clock movement. Oct 11, 2023 · Mechanical clock movements work through a series of gears and a pendulum. The clock kit comes with everything from the movement to the pendulum, the chime block and rods, dial and hands. American Time-Strike Clock Movement Replacement. Ensure it is big enough to support the weight and small enough to fit the hole in the back of the clock. 59. The mechanism which runs a mechanical clock is called the movement. All clocks, of whatever form—whether 12-hour clocks or 24-hour clocks—are made on this principle. ADD TO CART. 8-Day Mechanical Wall Clock Kit. Pendulum sold separate. Push the bottom of the pendulum no more than 1” to the left or right to start the pendulum. FREE shipping. The crutch is the wig wag part that is sticking out of If the clock has a narrow waste it can happen that the dead beat is the only option because the dead beat does not require room for over swing. May 24, 2024 · A clock is a mechanical or electrical device other than a watch for displaying time. Get the best deals on Clock Replacement Mechanical Movements when you shop the largest online selection at eBay. P1127C 8-day Mantle Movement Complete. In addition, this German made clock movement has a 45cm (17 3/4″) pendulum length from the TOP of the movement and down. German Seth-Thomas clock movements are still available. This is a rectangle shaped movement with the movement plate size of 140 x 200mm and takes a size #8 crank. Wall or Mantle Clock Kits. Discover the perfect mechanical clock movement. We export clocks and clock movements to more than 100 countries worldwide and are dedicated to leading the industry in computerized and automated precision manufactured clock parts and mechanical and quartz movements. Description: 8-day kitchen clock back mounted reproduction movement is made in India. It will have a stamp with a CM length usually on the left side of the back plate. Note that the positive end of the battery faces downward. It comes in two variations: Westminster (8 hammers 4+4) or triple chime (12 hammers 4+8). A bob is the round disk at the bottom of the pendulum and comes in 3 diameters. 5cm = 9 1/4 Drop. Great for large or small wall or floor clocks. Replacement movement made in India for the USA made Time-Only Clock Movement cases such as Banjo clocks. Pendulum or Non Pendulum Seiko Chiming Clock Movement. ( Pendulum clocks store energy with weights that rise and fall, but other clocks and windup wristwatches use springs instead. Oil pulley axels on weight-driven clocks. Only 6 left in stock - order soon. A clock is a machine in which a device that performs regular movements in equal intervals of time is linked to a counting mechanism that records the number of movements. Nov 23, 2020 · Pendulum leader. The leader hangs onto the suspension spring which is on top of the movement. Double-check that the movement is seated properly and securely within the case. 2,400$. Let’s not forget the clock case! Lyre Pendulum. Tested with 2lbs 8oz (1100 grams), 44 inch long metal lyre pendulum with 8 ½ wide bob. This non chiming pendulum unit comes with a pendulum, bob, and hardware. Movement Time and pendulum quartz clock movement with a 16 inch pendulum that you can shorten to whatever less length. 95 – $ 20. This pendulum length will not always be the same as what is marked on the movement. Grandfather Clock Kit is Outfitted a Decorative embossed moving moon dial that is 11x15 1/2 with matching pendulum with a 10 1/2 bob. The spring driven Westminster movement runs for eight days on a single wind up. Mechanical clock movement beat-setting means the tick and the tock sound of the clock are even. High power / high torque versions run up to 25" rods. This clock mechanism can be operated with or without the included pendulum and rod combo. Uses only two C cell batteries and is very strong. Mar 25, 2024 · The 18inch Hermle Lyre Clock-Pendulum has a bob diameter of 4 inches wide. After 1950, ST did not make movements. . The pendulum length is 9-1/4" measured from the center of the handshaft to the pendulum tip. Connect the speaker to the movement. German Mechanical Clock Pendulums - Pendulums for Post WW2 mechanical clocks of German origin. Our pendulums are specifically designed to work with battery-operated movements. Check out our mechanical clock movement with pendulum selection for the very best in unique or custom, handmade pieces from our clocks shops. This is when the movement will need a cleaning at least, or be replaced. A pendulum might also be needed, depending on the version of movement selected. If the mechanical clock pendulum is too long the clock will be too slow. To select the proper bob size measure the inside width of the clock case. 3) Chime + Pendulum Motors. Mechanical clock-kit movement options - Pendulum. AA and C-Cell Batteries. 00 - 199. For the shorter mantle units it will be just a round bob that is usually adjustable for time keeping. The crisp white dial is framed by a brushed nickel-finished bezel. A rhythmic and evenly spaced “tick-tock” will indicate the mechanical movement is in proper beat. Sometimes 320 grams can run this unit. Listen carefully to the “tick-tock”. $1609. CP13: $ 10. $ 39. Clock Parts > Movement > Mechanical: P1220M . 50. Don’t dip out of the oil bottle. Comprehensive Floor Clocks Manual Explore our in-depth guide to understanding and mastering all types of floor clocks Saves money – allows the use of an inexpensive battery movement to run the time, freeing you from the use of expensive mechanical movements. This concludes the Mechanical Clock-Kit movement options. A floor clock can mean a grandfather, grandmother, or granddaughter clock. Handshaft is 53. These leader will fit clock movements made in Germany after WW2. Basically, any clock that sits on the floor versus a wall or mantle. This is a quality 8 day, German made, bell strike, spring driven Mechanical Pendulum Shelf Clock-Kit unit. 98 shipping. At the same time it will have the crutch on the back of the movement engaged with the center of the leader. The gears transfer energy from the power source (either weights or a spring) to the clock’s hands, causing them to move in a consistent and measured manner. The hour hand will have a round hole and the minute hand would have a oblong hole. Position the movement into the clock case, aligning the mounting brackets with the appropriate holes or slots. Grandfather Clock movement and pendulum diagram. Includes the movement, mounting hardware 791-081/16. After the installation of a new mechanical movement , or if you are just installing a new set of hands, you may notice the clock will not chime at the time it should. An accurate reproduction of the American style movement with brass plates and oil sinks. Mechanical Clock Movements. The weight of this bob is 1. Also, the kit comes with the movement, gong with mount, the pendulum, hands and a key. If the movement has an unevenly spaced “tick-tock”, the pendulum may stop swinging after a period of time Mechanical clock movement beat-setting. Measures 5-1/2" tall x 6"More Details » The first is the weight of the actual pendulum. It is amazing how many clocks have not run for 10 years or more just because this is not known. To build a clock from scratch, all of the components are needed. Nov 23, 2020 · With age, the mechanical clock movement's oil solidifies and becomes black and sticky. $7. Specifications: Nov 23, 2020 · Urgos UW6/ series clock movement had a mass production in the 1950's through the 1970's. 1161-850 Hermle Clock Movement . Rods plus bobs sets sold separately. Yet traditional wall clocks with a mechanical key-wound movement can generally be considered a true heirloom wall clock. To correct this, take the minute hand off of the clock. When servicing the clock oil the mainsprings with special mainspring oil. This classically inspired wall clock features a distinctive flat-top pediment with dentil molding and sculpted bottom molding. Clock hands are sold separately. Hermle Clocks. Please call to discuss the clock kits with us 800 381 7458. Gong-strike mechanical wall clock kit’s minimum case requirements are 3 1/4″ deep, 6 1/4″ wide including the dial, it will 21 1/2″ height from the top of the dial to the very bottom of the pendulum nut threads when mounted in the case. (Make sure bob moves) Re-set the time again to the same reliable clock or watch. This is the longer of the two hands. Cuckoo Clock Movement Regula-25 Regula-25 one day Cuckoo clock movement. Front of the nut to the right is faster, to the left is slower. Except for the high power pendulum drive, the pendulum is not powered by the battery and doesn't have to Westminster Spring Driven Kit. The drop is the length of the pendulum from the hand shaft all the way down to the bottom of the pendulum rating nut threads. This is a heavy-duty battery unit that can swing almost any mechanical clock pendulum. The pendulum on a Regula cuckoo is from the top of the movement to the center of the leaf. Save 11% with coupon. So, when this happens, the clock movement will not run correctly. Serpentine Hands. 2mm from the front plate. Mounts inside case. This Hermle mechanical movement also chimes on quarter-hours, strikes out the hours, and includes a convenient chime silencer. By far, the most common use of this cuckoo clock movement is post-1950. Add to cart. If the clock is chain driven, it may need the hook and tabs of the chains removed first. 40cm = 15 3/4 Drop. Hermle Clocks is one of the world's oldest clock makers who built the first factory in Germany in 1922. Both options feature a hand shaft length of 56mm, spanning from the front plate of the movement to the end of the minute hand nut threads. Mantle Clock Pendulum. Standard Shipping Rates Apply • Details This Bell Strike Skeleton Clock Movement is a 14-day keywind clock movement that marks the hours with one, clear bell tone. Rotate handshaft clockwise until you hear a faint click sound. Aug 29, 2022 · The length of the pendulum has to be correct for the gearing inside the movement. Features a beautiful gold time ring with Roman numerals. Comprehensive Floor Clocks Manual. Three things will affect the running of your mechanical clock, and neglect, friction & environment, and these three factors will influence whether or not Mechanical Clock Pendulum Length for German made movements. Learn more. ) Nov 23, 2020 · German Seth-Thomas Clock Movements. By the time 20 or 30 years go by, the oil has solidified and is creating wear on the brass plates of the movement. Rods have 1" breakpoints. This measurement includes the pendulum from tip to tip, the leader it hangs on, and the suspension spring. This is a rectangle movement with a plate size of 140 x 200 mm. In order to run, every mechanical clock that has a pendulum needs to be put in beat. The moon gear on the dial shows the approximate location of the moon in regard to day and night. Nov 23, 2020 · The American mechanical clock movement manufacturers refer to the pendulum length as a "drop". Pendulum Drive. Our new QU40 5/16" post length movement comes without the light sensor. The pendulum swings at the rear of the movement and includes a winding key and black serpentine hands. This means taking off the weight hook and ring on the chain itself. A picture is always helpful. com. P1220M 8 May 21, 2023 · Step 5: Mount the Movement. Options include metal rod to a decor for the kitchen style clocks are available, or a wood stick pendulum if the clock is tall enough. The battery sends a current into a small quartz crystal, which causes vibrations to echo around the clock. $49. Measure the pendulum on a German Clock from the very top of the movement down to the very bottom of the pendulum rating nut threads. The numbers off of the back plate of the Hermle mechanical clock movement is all you need to know to find the correct movement and order it on our site. 2) Pendulum Clock Movements. Contemporary wall clocks may feature a wood/glass combination or plastic. The movement will be stamped with this number usually. Pendulums are used to regulate the movement of clocks because the interval of time for each complete oscillation, called the period, is constant. Mechanical Clock Pendulum Length for German made movements. Has a 55cm (18″) pendulum length from the top of the movement A pendulum bob is the round disk at the bottom of the pendulum. With this minute hand off of the clock, turn it upside Mar 19, 2013 · Nice work. The formula for the period T of a pendulum is T = 2π Square root of√L/g, where L is Mechanical Clock Pendulum Length for German made movements. The 31-Day calendar hand on this movement works off the center shaft and functions just like an antique mechanical calendar movement! It will run hands up to 6″ long. The movements of all mechanical pendulum clocks have these five parts: Mechanical Clock Pendulum Length for German made movements. The Shenandoah Decorative Clock Dial, Pendulum, and Weight Shell Set is intended for use with Hermle's 1161-853 mechanical clock movement. Case Back Part. 7 mm/ 0. The 1161-853 Hermle Clock Movement is a triple chime cable driven unit with three weights. 3-year warranty. 1161-853 Hermle Clock Movement. Oil the clicks. Aug 2, 2013 · If you are replacing an old mechanical movement with a modern battery operated quartz pendulum movement, please remember that the pendulums for mechanical movements are usually too heavy to be operated by a modern battery operated quartz movement. (you may click the link above for a larger view) Jun 14, 2024 · Mechanical clock-kit movement options - Pendulum Options include metal rod to a decor for the kitchen style clocks are available, or a wood stick pendulum if the clock is tall enough. Hands Any of the hands Clockworks offers for quartz clock movements will fit this unit. Buy in monthly payments with Affirm on orders over $50. Description. Apr 10, 2024 · American clock movement Replacements made in India. These brass Antique American Clock Replacements are the same size as many early American pendulum clocks. Nov 23, 2020 · The Hermle clock pendulum length (**cm) is the distance from the suspension post all the way down. There should be at least 2 inches on each side of the pendulum bob so it can swing in the case without hitting the sides. 1 2 3 … 6. Because the mechanism is top driven you can design clocks where the pendulum is in the open. Insert hands at 5:00. When a clock is too fast or slow it usually has nothing to do with the movement itself. This is done by decoding the identification markings on the back plate of the movement itself. 58. This would be Urgos, Kieninger, Jauch and Hermle The shelf clocks are easier as it has a door that closes with glass in the front, rather than the round brass bezel with dial and glass all in one combination. 8 oz and is 1 1/2 inches wide. 00 – $ 698. Jun 30, 2024 · Instructions for the QU40 Chime-Pendulum Clock Movement. Nov 23, 2020 · Clock movements for creations. 16″ pendulum that can be shortened is included. Therefore, they fit a variety of clock case styles made in that time period. SKU: MPC-125. Back 12 Rod Strike. Hermle Clock Movement Service Manual: Item Number H31543 Old comtoise movement from the 19th century - bell ringing 2 hammers + balance + weight + key - SLE11. P1127M 8-day Mantle Movement. 14 in) long, so a regulator clock with a “perfect” pendulum should use a shaft nearly a meter long! Once again, however, the real world does not fit our “perfect” world. HERMLE Design! Wall Top Clock Double Glass CILINDER!! Skeleton Translucent 1980s Germany Bell Chime Serviced! Restored! One Year Guarantee!! All Clock Pendulum Parts. If it is German, keep in mind the CM length is not the actual pendulum length. Nov 23, 2020 · To get anything for a clock movement from Clockworks we first need to identify the mechanical clock movement. The large 6 x 9 chain driven clock movement bears the Kieninger label and 116cm. Made in Germany. Jul 31, 2017 · July 2017. I have repaired a many old clocks and have a few suggestions for the escapement. Michaels melodies. 4 9/16″ x 4 3/4″ x 1 1/8″. SKU: MPC-500. MVT1: 169. This movement diagram of the grandfather clock below is for a cable driven grandfather clock, but should also explain how the pendulum hanger is setup on a chain driven grandfather clock. 78. 19. Naturally, if the clock says something like 94cm, choose 94cm from the list, making sure it also lists the correct bob diameter. Comprehensive Floor Clocks Manual Explore our in-depth guide to understanding and mastering all types of floor Side-Strike Tall Case Clock-Kit has a minimum case requirement of 4″ deep, 11″ wide including the dial (6 1/2″ without), 49″ tall with the dial. It needs 3 1/4″ deep, 6″ wide with the dial (4 3/4″ with out), 11″ tall with the dial. 00 . Of course these come with the kit. $ 578. A Metal Lyre pendulum is a type of clock pendulum that is most decorative of pendulums. Purchase parts such as a pendulum. Firstly (ditto the first commenter) your pendulum has too much front to back free movement – it needs Mechanical Clock Pendulum Length for German made movements. View Product. In addition it is necessary to get the movement number off of the back plate of the movement itself. Currently, Hermle of Germany makes these with the ST Jun 5, 2024 · Secure the back cover of the clock. Drizzle the oil along the side of the coiled spring and allow it to wick between the coils and wipe away excess oil. The 3 spun-brass weight shells are accented with decorative brass banding Mar 29, 2022 · Like an old-fashioned clock, a clockwork device is completely mechanical and has these essential parts: A key (or crown) you wind to add energy. Apr 28, 2020 · Quartz pendulum trigger clock movement chime Westminster melody mechanism clock kit with 3 pairs of hands Features: Dimension: Total shaft length is 17 mm/ 0. 5cm = 7 3/4 Drop. Quartz clocks rely on batteries to power your clock. The leader is the 3 to 7 inch long part that the mechanical clock pendulum hangs onto. $ 18. A spiral spring to store the energy you add with the key. So, the old unit now has a conversion numbers in order to get a new movement. Jun 12, 2018 · Via the National Clock and Watch Museum in Pennsylvania, we learned of a site called Clockworks, where – for those mechanically inclined – can order all the makings to build you own Mechanical pendulum clock. We carry direct-from-manufacturer movements for Emperor, Hermle, Urgos, and Seth Thomas clocks. 67 inches, thread length is 9. Upgrade your timekeeping experience with our high-quality movements designed to last a lifetime. Black metal clock parts case back for sound quality and dust protection on a mantel clock case. 95 – $ 40. Premium Chime Clock Movement. (10) $394. Young Town Youngtown 12888 High Torque Quartz Movement For Large Clocks 17mm. Secure the movement in place using screws or other provided fasteners. One of the best sounding quality movements in the clock industry today! Choose from 4 sound choices below: 4×4 Westminster or 4×4 Ave Maria Chime & Strike on the hour and every 15 minutes after: 1/4 chime at 15 minutes, 1/2 chime at 30 minutes, and 3/4 chime at 45 minutes. The Howard Miller Artemus 620-514 Keywound Wall Clock offers a Burnished Oak finish on select oak. Ensure that the screw is driven almost fully home to hold the clock close to the wall. In essence, the numbers will let us know or the stamp will clearly state the CM or PL number. Mechanical Gear 3D Wooden Puzzle Craft Toy, Best Gift for Adults and Teens, Age 14+ DIY Model Building Kits - Pendulum Clock. The shelf clocks are easier as it has a door that closes with glass in the front, rather than the round brass bezel with dial and glass all in one combination. Hang the clock back in its rightful place. These types of clock pendulums are for post WW2 German movements. 5: $ 270. Model Number: 620-514. It is a different way of measuring the pendulum length then the German made way. 1904. Generally speaking, its steel, spring like strips, flex to let the pendulum swing back and forth with ease and momentum. 23. 15. If the pendulum is too short the clock will run too fast. $85. P1220C . 28. Explore our collection now! Our Bim-Bam Mechanical Strike Quartz Clock Movement strikes out the two-note Bim-Bam melody on the hour on two finely tuned copper rods mounted in a cast iron block. Key Point: Often, quartz movements have a setting dial that allows you to adjust the time without moving the hands manually, reducing the risk of bending or damaging them. Quartz clocks require less maintenance than mechanical clocks because of the difference in design. 2. Offering both the pendulum version and the non pendulum version. Has a 25cm (9 7/8″) pendulum length from the top of the movement and down. Apr 29, 2013 · Sometimes a picture is worth a thousand words. Set the correct time using the dial on the back of the quartz movement. By knowing what the movement is, it can be replaced with a new mechanical clock movement. Read more ». Mechanical pendulum clock leaders for post 1950 movements. Most mechanical German made clock movements are easy to figure out the pendulum length. The "Bob" is the round disk at the bottom of the pendulum. Runs on one 1 “AA” cell battery. Wall, mantle and grandfather clock pendulums - Clockworks. 28. 8-Day mechanical wall clock kit’s minimum case requirements. If the leader does not match up to any of the ones listed, please email us. As long as your pendulum measures 16″ or less, our adjustable pendulums will work on your clock. Don't try offering the clock up and then screwing it in place; instead, hang it like a painting. Insert the proper C cell batteries into the movement. The largest pendulum clocks, exceeding 30 m (98 ft), were built in Geneva (1972) and Gdańsk (2016). The following items are all clock parts associated with the pendulum. Metal Pendulum for Wall Clock Metal Clock Parts Clock Replacement Pendulum Wall Clock Supply Clock Movement Part Clock Pendulum for Wall Clock Wooden Pole Mechanical. This is the movement with the hammer on the back that strikes a gong. Pre-drilled mounting holes. Furthermore, use 275 Grams for each weight. Movement = 140 x 220mm. HOWARD MILLER ALCOTT WALL CLOCK 613229. Gong-Strike Mechanical Wall Clock Kit. Apr 22, 2024 · Pendulum Measuring on German Clocks. The difference between clock pendulums and gravimeter pendulums is that to measure gravity, the pendulum's length as well as its period has to be measured. Hermle state that movements with pendulum lengths 75cm or greater are no longer supplied with a dead beat due to the size of the pendulum. Finding a new movement starts with the identification numbers off the back plate. The first step to replace a lost leader is to visually match one to the old leader. (345) $105. In addition, it has the two hammers on the back that strike bells. This is easy to do. Never use a nail. 1161-850 Hermle Clock Movement is a triple chime chain or cable driven unit with three weights. The unit winds once a day and uses two weights. Nov 23, 2020 · Take those screws out and the movement will come right out the front where the dial was. Of course the pendulum has nothing to do with the time keeping and is just for looks. Best sound quality on the market. Choose between cable-driven or chain-driven options to enhance the precision and elegance of your clock. This equation tells us that the “seconds pendulum” (a pendulum that beats once per second) should be 994. FREE delivery Wed, Jun 26 on $35 of items shipped by Amazon. Its purpose is to suspend the leader and pendulum in the air. To get the correct part for your clock, make sure you know the maker of the movement. There are various suspension springs, tops hooks, leaders and bobs. The beautiful moving moon clock dial has a second hand feature plus chime lever slots. Nov 23, 2020 · A Metal Lyre pendulum is a type of clock pendulum that is most decorative of pendulums. Has a 100cm (39 1/2″) pendulum length from the top of the movement and down. Write down on a piece of paper how many seconds the clock is off. Westminster spring driven kit’s minimum case requirements are 4″ deep, 8″ wide, 18 1/2″ tall with the dial. Meaning to the bottom of the pendulum nut threads. 00. These are more like 10 year movements instead of the long lasting USA units made in the antique times. ef xl xd lk ct jq gd ow rm jv