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Hamilton 21
Ligne: 15.5'''
Jewels: 17/21
Frequency: 18000 vph
Type: Manual Wind
Period used: 1938-
Diameter: 34.5 mm
Hands: 2.20 x 1.40 mm
The Hamilton 21 watch movement, used from 1938 onwards, features a manual-wind chronograph with a 60-second and a 30-minute counter. It is equipped with a Breguet hairspring and operates with a pillar wheel mechanism, controlled by a single pusher. Additionally, the movement includes a sub-second function.
The Hamilton 21 features the following functions:
- Manual-wind chronograph with 60-second and 30-minute functions, pillar wheel mechanism, and a single pusher
- Sub Second
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.70 x 0.160 x 430 x 14.0 mm | Manual | Buy mainspring |
Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
Documents
Parts Listing
| Part Description | Reference # | Alternate | Buy |
|---|
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