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ETA 2661
Ligne: 11.5'''
Jewels: 1
Power Reserve: 40 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: 1975-1977
Diameter: 26.3 mm
Height: 5.2 mm
Hands: 2.10 x 1.10 x 0.20 mm
The ETA 2661 watch movement, produced from 1975-1977, features the trade marks Astrolon and Sytal. It is constructed almost entirely of self-lubricating plastic materials. The movement includes an indirect minute hand friction clutch on the barrel and offers the following functions: manual wind, sweep second, and a date complication that is set by changing the 23-24 hour period.
The ETA 2661 features the following functions:
- Date: set by changing 23-24h
- Manual Winding
- Sweep second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.10 x 0.105 x 310 x 9.5 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) |
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Documents
Parts Listing
| Part Description | Reference # | Alternate | Buy |
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