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ETA 2539
Ligne: 12'''
Jewels: 21
Power Reserve: 45 hrs
Frequency: 18000 vph
Type: Automatic
Period used: ~1955
Diameter: 27.6 mm
Hands: 1.40 x 0.90 x 0.22 mm
The ETA 2539 watch movement is part of the first automatic family from Langendorf. It shares similarities with the 1262 movement, although the exact differences are unknown. The movement features automatic winding, sweep seconds, and a date function. It also includes a calendar feature. The ETA 2539 movement was primarily used around 1955.
The ETA 2539 features the following functions:
- Automatic Winding
- Calendar
- Date
- Sweep second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|---|---|
| 3462 | Ordinary/None | Buy staff |
| 3462 | Incabloc | Buy staff |
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.50 x 0.100 x 290 x 9.0 mm | Auto | 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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