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Unitas 431
Ligne: 8.75'''
Jewels: 1
Lift Angle: 64°
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1965
Diameter: 19.4 mm
Height: 4.15 mm
Hands: 1.20 x 0.80 mm
Base: Bettlach 1431N
The Unitas 431 watch movement features a pin-lever escapement and exhibits only minor modifications in comparison to the 1431 and 1431N models. It is a manual wind movement with a period of usage around 1965.
The Unitas 431 features the following functions:
- Manual Winding
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.50 x 0.080 x 360 x 9.0 mm | Manual | Buy mainspring | |
| 1.50 x 0.085 x 340 x 9.0 mm | GR4091 | 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) |
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Documents
Parts Listing
| Part Description | Reference # | Alternate | Buy |
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