Feinwerkbau Mod. 300S Main Spring Set #1700.129.2
$40.00 CAD
2x Genuine Feinwerkbau Main Spring ( 1700.129.3 & 1709.129.3)
Now include part #1700.124.3 Slide ring (goes between the two springs)
Spring specs:
– 14 1/2 coils (each)
O.D. 20.25mm/.798 inch
I.D. 14.8mm / 0.582 inch
Lenght: 110mm / 4.334 inch (each)
Spring are coiled in opposite direction
Seals kit are available in my other listing.