![Suspension Spring 77-500-21 (10593196751)](http://perrinwatchparts.com/cdn/shop/products/77.500-21-300_300x300.jpg?v=1595351746)
# 21 Suspension Spring relative to the image, the clock suspension spring dimensions are as follows:
Suspension Spring Dimension |
A (mm) |
B (mm) |
C (mm) |
|
10.10 |
20.9 |
7.35 |
# 21 Suspension Spring relative to the image, the clock suspension spring dimensions are as follows:
Suspension Spring Dimension |
A (mm) |
B (mm) |
C (mm) |
|
10.10 |
20.9 |
7.35 |