Product Description
Generic Balance Staff Fits Rolex 10 1/2 H, 700, 710, 720, 730, 740, 745, 760, 765, 775
These models have been manufactured in 3 different hairspring sizes Collet size .40, .50 and .55 We carry only .40 and .50. please select the correct size.
Non Original Part
***WatchMaterial is an independent part supplier of aftermarket watch parts. WatchMaterial is not affiliated with or sponsored by Rolex® Watch U.S.A Inc. Rolex® warranty may be voided by using generic aftermarket parts.***
