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Unitas 253
Ligne: 7.75 x 12'''
Jewels: 7/15
Power Reserve: 75 hrs
Frequency: 18000 vph
Type: Manual Wind
Size: 17.5 x 27.4 mm
Height: 4.9 mm
Hands: 1.05 x 0.70 / 0.15 mm
The Unitas 253 watch movement employs a straight lever escapement and features an indirect minute hand friction clutch on the barrel. It incorporates a ratchet on the dial side and a crown mechanism with a rocker bar. The movement is built with a two-layer base plate. Its functions include manual winding and sub second.
The Unitas 253 features the following functions:
- Manual Winding
- Sub Second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.30 x 0.095 x 580 x 12.5 mm | GR3246 | Manual | Buy mainspring |
Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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