No products in the cart.
Return To ShopWatch Database
Unitas 157
Ligne: 19'''
Jewels: 15
Power Reserve: 39 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1935
Diameter: 42.9 mm
Height: 4.2 mm
Hands: 1.85 x 1.00 / 0.28 mm
The Unitas 157 watch movement is an open-face calibre with options for a bimetallic screw balance and a Breguet hairspring. It shares similar characteristics with the 40, 42, 46, and 48 variations, except for varying bridge layouts. The movement features stem wind and set capabilities, a sub-second function, and was predominantly used around 1935.
The Unitas 157 features the following functions:
- Stem wind and set
- Sub Second
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 2.30 x 0.205 x 500 x 16.0 mm | GR6446 | Manual | Buy mainspring |
| 1.50 x 0.210 x 440 x 16.0 mm | GR4362 | 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 |
|---|
All watch database content © EmmyWatch LLC. Unauthorized redistribution of content is strictly prohibited. All rights are reserved.
