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Unitas 331
Ligne: 11.5'''
Jewels: 171
Frequency: 21600 vph
Type: Manual Wind
Period used: 1970-1975
Diameter: 26 mm
Height: 4.0 mm
Hands: 1.50 x 0.90 mm
The Unitas 331 watch movement, used during the period of 1970-1975, features an indirectly driven minute mechanism that enables a large balance and low profile. This manual wind movement also includes sub seconds and a date function that can be set by adjusting the time between 19:30-24h.
The Unitas 331 features the following functions:
- Date: set by changing 19:30-24h
- Manual Winding
- Sub Second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.00 x 0.105 x 340 x 9.5 mm | GR2451 | 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
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