No products in the cart.
Return To ShopWatch Database
Unitas 255
Ligne: 13'''
Jewels: 15
Power Reserve: 45 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1955
Diameter: 29 mm
Height: 3.8 mm
Hands: 1.50 x 0.80 / 0.20 mm
Base: Felsa 399
The Unitas 255 watch movement is a manual wind movement with a sub-second function. It was widely used around the period of 1955. The specifics regarding the production of the ebauches for this movement remain uncertain, as it is unclear whether they were manufactured by AM or Felsa. Further details or elaboration on these aspects are not provided.
The Unitas 255 features the following functions:
- Manual Winding
- Sub Second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.70 x 0.120 x 320 x 10.5 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 |
|---|
All watch database content © EmmyWatch LLC. Unauthorized redistribution of content is strictly prohibited. All rights are reserved.
