H-21 Si
Automatic Chronograph
An iteration of the Hamilton H-21 automatic chronograph featuring a silicon balance spring and chronometer certification.
Caliber Details
- Manufacturer
- Hamilton
- Base Movement
- ETA 7750
- Type
- Automatic Chronograph
- Frequency
- 28800 vph
- Power Reserve
- 60 h
- Jewels
- 25
- Diameter
- 30.00 mm
- Display
- Analog
- Hands
- Hours, Minutes, Small Seconds
