Genuine Rolex® auto click spring, fits Rolex® 635, Rolex® 640, Rolex® 645, Rolex® 745, Rolex® 765, Rolex® 775 escapement files Omega® 37

Omega® 37

using a 364 battery with hand dimensions 120/70/20 (hour/minute/seconds)

using a 379 battery with hand dimensions 120/70/20 (hour/minute/seconds)

Thick Stitched Genuine Leather Strap

64 mm Bergeon to use KWM bushings is a Bergeon made

Genuine Rolex® auto click spring, fits Rolex® 635, Rolex® 640, Rolex® 645, Rolex® 745, Rolex® 765, Rolex® 775 escapement files Omega® 37Genuine Rolex auto click spring, part 5672, Fits calibres: Rolex 635 Rolex 640 Rolex 645 Rolex 745 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.