Rolex 620

Rolex 620 is a calibre by Rolex.

Self-winding movement, unidirectional winding rotor, 18,000 A/h, 17 jewels, small seconds.

The world's first self-winding movement with rotor winding (Perpetual), 1931 first presented by Rolex and developed by Emil Borer and Hans Wilsdorf.

Description:

Functions:

Data:

  • 11½ lignes
  • D 26 mm, H 7.4 mm
  • 17 jewels
  • 18,000 A/h
  • Power reserve 41 h

Production period: