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Unitas 277
Ligne: 18.5'''
Jewels: 15
Power Reserve: 33 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1945
Diameter: 41.6 mm
Height: 6.5 mm
Hands: 2.00 x 1.15 / 0.26 mm
The Unitas 277 is a hunter calibre mechanical watch movement that was in use around 1945. It features a stem wind and set function, along with a sub-second display. The movement offers optional Breguet hairspring and incorporates varying bridge shapes. It is also speculated to potentially include a left-handed ratchet-wheel screw.
The Unitas 277 features the following functions:
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 2.50 x 0.200 x 500 x 17.0 mm | GR6703 | Manual | Buy mainspring |
| 2.50 x 0.200 x 460 x 16.0 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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