![400 Day Clock Suspension Unit 51B (11142338575)](http://perrinwatchparts.com/cdn/shop/products/78.259B-600_e075974a-5af2-4a25-8d48-5d4fadd4f74b_600x600.jpg?v=1595352461)
400 Day Clock Suspension Unit 51B can be identified in the Horolovar 400- Day Repair Guide. To decipher what type of suspension unit is needed you must first identify the back plate of a 400 day clock using the Horolovar 400- Day Repair Guide. To be used for Kundo Quartz Standard 77.
A
|
B
|
Total Length
|
87 mm
|
15 mm
|
116.5 mm
|
Note: Please see enlarge image for measurement explanation.