Rolex 1055

The Rolex 1055 was the first Day/Date movement from Rolex.

Introduced in 1956, Cal. 1055 introduced the famous Day/Date complication to the Rolex Oyster Perpetual line. It is an automatic movement running at 18,000 A/h and a certified chronometer.

Manufacturer: Rolex Description: Self-winding movement, bi-directional winding Chronometer certificate Functions: Central seconds Day/Date Data: D 28.5 mm, H 7.0 mm 25 jewels 18,000 A/h Production period: 1956-?