Genuine Rolex® 700 crown wheel washer screw, part 3877 (see all calibres in description) Omega® 481 412 and is the updated

412 and is the updated version of the ETA F04-111

Set comes with 4 dies ranging in diameter from 20

calibre # 208

065 x 200 (7 3/4")

10 mm replacement pusher (driving punch) should be slightly larger than the outside diameter of the Bushing

Genuine Rolex® 700 crown wheel washer screw, part 3877 (see all calibres in description) Omega® 481 412 and is the updatedGenuine Rolex crown wheel washer screw, part 3877, Fits calibres: Rolex 700 Rolex 710 Rolex 720 Rolex 730 Rolex 740 Rolex 745 Rolex 760 Rolex 765 Rolex 775 * Perrin Supply Ltd is independent of and not affiliated with or sponsored by Rolex. Rolex warranty does not apply to parts supplied by Perrin Supply Ltd.