Rolex · Movement
Rolex caliber 1055b
Ref. 1055b
The Rolex caliber 1055b is an automatic movement, beats at 18,000 vph, and carries 25 jewels.
Second generation Rolex Day-Date movement; altered 1055. 7.1mm high instead of 7mm. Introduced around 1957
- Type
- Automatic
- Display
- Analog
- Frequency
- 18000 vph
- Jewels
- 25
- Diameter
- 28.5 mm
- Complications
- Chronometer, Date, Day, Hours, Minutes, Seconds
- Base caliber
- Rolex caliber 1055
