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ETA 1303
Ligne: 10.5'''
Jewels: 15/17
Lift Angle: 49°
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1950
Diameter: 25.6 mm
Hands: 1.35 x 0.80 mm
The ETA 1303 watch movement, also referred to as the Buser 115/25 in some registers, shares similarities with the 26/115 variant. However, the exact differences between the 25/115 and 26/115 are not known. This movement, which was commonly utilized around the 1950 period, offers manual winding functionality and features a sub-second dial.
The ETA 1303 features the following functions:
- Manual Winding
- Sub Second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|---|---|
| 1101 | Ordinary/None | Buy staff |
| 1101 | Incabloc | Buy staff |
| 3563 | Shock Resist | Buy staff |
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.50 x 0.110 x 260 x 8.0 mm | GR4147 | 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
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