Automatic Chronograph
Features of Automatic ChronographCal.8R28
- Chronograph up to 12 hours
- 28,800 vibrations per hour
- Power reserve : Over 45 hours
- 34 jewels, 292 parts
- Column wheel and vertical clutch
- One-piece three-pointed hammer for instant reset
- Diameter : 28.6 mm
- Depth : 7.2mm
