No products in the cart.
Return To ShopWatch Database
Unitas 253
Ligne: 10.5'''
Jewels: 15
Power Reserve: 36 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1925
Diameter: 23.75 mm
Height: 4.3 mm
Hands: 1.30 x 0.80 / 0.24 mm
The Unitas 253 is a manual wind watch movement with sub seconds. It was produced in the period around 1925. It is part of a series of movements with various bridge layouts, some of which may be labeled as AS 340. Specific differences between the Unitas 253 and other movements in the series are not currently known.
The Unitas 253 features the following functions:
- Manual Winding
- Sub Second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|---|---|
| 153 | Ordinary/None | Buy staff |
| 158 | Ordinary/None | Buy staff |
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.50 x 0.100 x 290 x 9.0 mm | Manual | Buy mainspring | |
| 1.50 x 0.105 x 280 x 9.0 mm | GR41332 | 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.
