1556
Automatic
The fourth Rolex Day-Date movement generation, featuring an increased beat rate of 19,800 bph and introduced circa 1965. A hacking function was integrated in 1972; includes chronometer certification.
Caliber Details
- Manufacturer
- Rolex
- Type
- Automatic
- Frequency
- 19800 vph
- Jewels
- 26
- Diameter
- 28.50 mm
- Display
- Analog
- Hands
- Hours, Minutes, Seconds
