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ETA 2640
Ligne: 5.75 x 8.5'''
Jewels: 15/17
Power Reserve: 32 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1950
Size: 12.8 x 19.5 mm
Height: 3.35 mm
Hands: 0.95 x 0.60 mm
The ETA 2640 watch movement, introduced around 1950, distinguishes itself from the Buser 5 and Buser 7 movements primarily through its unique bridge shapes. This movement functions exclusively as a manual wind mechanism.
The ETA 2640 features the following functions:
- Manual Winding
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.10 x 0.080 x 240 x 7.0 mm | GR2579 | 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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