![]() If you are reusing your existing clock hands, you should confirm that the new movements shaft for both the hour and minute hand are the same size and shape as your existing hands mounting diameter.įor an overview of quartz clock movement parts and assembly see our article Quartz Clock Parts and Assembly Diagram. This will give you the movements total shaft length, which will be needed when ordering a replacement clock movement. Once you have found your measuring device measure from the top of the post/shaft down to the movement housing. A ruler can also be used to measure the shaft length, if you do use a ruler to measure the shaft size make sure the ruler starts at 0, many rulers have their zero point a bit away from the end of the ruler. The easiest and most accurate way to measure the shaft length on a clock movement is to use the depth gauge on a digital caliper. Measuring the Shaft When Replacing a Broken Quartz Clock Movement The post mounting hole of your clock dial (or mounting material) needs to have a large enough diameter to fit the shaft of the clock movement through it. The regular quartz movements accommodate hands up to 4.5' if you plan on using larger hands, you will need the high torque movement. These movements measure 2-1/8' x 2-1/8' x 1/2', mounting hardware are included. The movement runs approximately 2 years on a fresh AA battery (not included). Seiko watch movements Mechanical Quartz Seiko Kinetic Seiko Perpetual Seiko Solar Choose from popular calibers 7N43, 1N00, 7N42, 1N01, 7N01, 2E20, 7N83. You’ll want to make sure there is enough room underneath the glass to fit the total shaft length including its minute hand cap nut or if you’re adding a second hand. Its stabilized quartz crystal provides accuracy to within +/- 15 seconds per month. When using a glass front on your clock keep in mind the total shaft length (total post length). (Note: Some push on style clock movements will not have a threaded shaft.) The threaded portion of the shaft (post) should come out of the mounting surface with about an 1/8” of length left for the mounting hardware. ![]() You’ll want to make sure that the clock movements thread length is long enough to fit through the thickness of the material you are mounting the movement to (clock dial material could be a simple clock face or decorative items like a wood plaque). The overall shaft length is 3/16 for use with clock dials 1/16 thick or less. CM-148 Fits Dial up to 1/16' Thick Diameter 2', Thickness 5/8' Quantity Add to cart Description Here is a small round movement commonly used to repair small clocks. There are a few important measurements you will need to have when ordering a clock movement, to ensure you get the right one to fit your application. Round Clock Quartz Movement 10.95 Item No. Choosing The Correct Clock Movement Shaft Size When Making a ClockĬlock movements are available in a wide range of sizes.
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