1055
Automatic
The inaugural Rolex Day-Date caliber, launched between 1956 and 1957. Includes chronometer certification.
Caliber Details
- Manufacturer
- Rolex
- Type
- Automatic
- Frequency
- 18000 vph
- Jewels
- 25
- Diameter
- 28.50 mm
- Display
- Analog
- Hands
- Hours, Minutes, Seconds
