No products in the cart.
Return To ShopWatch Database
Bulova 12EBA
Ligne: 13'''
Jewels: 19/21/23/27/35
Power Reserve: 47 hrs
Frequency: 18000 vph
Type: Automatic
Period used: 1962-
Diameter: 29.4 mm
Height: 4.95 mm
Hands: 1.52 x 1.00 x 0.18 mm
The Bulova 12EBA watch movement, available in both 27-jewels and 35-jewels variants, features a ring rotor that rotates on 9 Balls. The 35-jewels variant also includes additional jewels in the three plates to secure the fixed inner ring of the rotor bearing. Differences between the 1120 and 1121 models are not documented. The movement offers automatic winding, sweep seconds, and a date function that can be adjusted by changing the 21-24 hour position. It has been utilized in timepieces starting from the year 1962.
The Bulova 12EBA features the following functions:
- Automatic Winding
- Date function: set by changing 21-24h
- Sweep second movement
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|
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
All watch database content © EmmyWatch LLC. Unauthorized redistribution of content is strictly prohibited. All rights are reserved.
