Certina 28.16
Technical data: Certina cal: 28.16
- 17 jewels, manual wind, sweep second.
- Size: 12.5''' 28.00 mm.
- H: = 4.40 mm.
- N: = 19.800 A/h.
- Power reserve: 46 h.
- Mainspring: 1.40 x 11.5 x 0.125 - 360
Technical data: Certina cal: 28.16
