About this caliber
The first self-winding perpetual calendar wristwatch movement. Based on 27-460 automatic movement. Introduced ca. 1962; later improved with indication for leap year in caliber 27-460 QB.
Technical details
- Movement
- AUTOMATIC
- Display
- Analog
- Jewels
- 37
- Power reserve
- 38 hours
- Frequency
- -
- Hands
- Hands: Hours, Minutes
- Diameter
- 27 mm
- Height
- -
- Parts
- -