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Tissot 2780
Ligne: 12.25'''
Jewels: 17
Power Reserve: 38 hrs
Frequency: 18000 vph
Type: Automatic
Period used: ~1965
Diameter: 28.1 mm
Height: 5.45 mm
Hands: 1.50 x 0.90 x 0.20 mm
The Tissot 2780 watch movement, widely similar to the Seiko 6601B, is an automatic movement introduced by UTC or UT, a Seiko brand that specializes in selling bare movements. The movement features a ball-bearing rotor and a sophisticated excenter self-winding mechanism with just one gear stage. It incorporates a stem mechanism without a setting-lever spring. Its functions include automatic winding, sweep seconds, and it does not support manual winding. The Tissot 2780 movement was commonly used around the year 1965.
The Tissot 2780 features the following functions:
- Automatic Winding
- No Manual Wind
- Sweep second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
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Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.30 x 0.100 x 340 x 10.0 mm | GR3256X | Auto | Buy mainspring |
Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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Documents
Parts Listing
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