Quick view Stem for Rolex 600 620 630 635 645 NA Generic Stem For Rolex 600, 620, 630, 635, 645 NA These models have been manufactured in 3 different thread sizes, please chose the correct one for your crown Tap 11(.80mm) Tap 10 (.90mm) Tap 9 (1.0mm) Swiss MadeFits Caliber 600, 620, 630,... $20.00
Quick view Friction Spring for Rolex Caliber 645 Bubble Back Friction spring to fit Rolex caliber 645 bubble back $40.00