![400 Day Clock Suspension Spring .051mm / .0020" (11142325135)](http://perrinwatchparts.com/cdn/shop/products/78.118-to-140-300_84bc0e16-6eca-4694-b0e9-2fb99e154c20_300x300.jpg?v=1595352425)
400 Day Clock Suspension Spring .051mm / .0020" comes in a package of 3 and measures 0.051 mm / .0020" in thickness. Use the 400 Day Repair Guide to identify your clock, to ensure that you use the correct size suspension spring.
400 Day Clock Suspension Spring .051mm / .0020" comes in a package of 3 and measures 0.051 mm / .0020" in thickness. Use the 400 Day Repair Guide to identify your clock, to ensure that you use the correct size suspension spring.