Rolex 1520

Rolex 1520 is a calibre by Rolex.

Self-winding movement, bi-directional winding, 19,800 A/h, 26 jewels.

The movement was used in earlier versions of the Submariner.

Manufacturer: Rolex Description: Self-winding movement, bi-directional winding Breguet hairspring Escapement: Stone lever Yoke winding system Shock protection KIF Ultraflex Functions: Central seconds Data: 12½ lignes D 28.5 mm, H 3.95 mm 26 jewels 19,800 A/h Power reserve 42h Production period: 1963-?