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Tissot 31-21
Ligne: 11.5'''
Jewels: 17/21
Lift Angle: 52°
Power Reserve: 44 hrs
Frequency: 18000 vph
Type: Automatic
Period used: ~1965
Diameter: 26 mm
Height: 5.2 mm
Hands: 1.50 x 0.90 x 0.21 mm
The Tissot 31-21 watch movement features an indirectly driven minute hand, enabling a significant balance size and low profile. Additionally, this movement incorporates automatic winding, sweep seconds, and a calendar function that can be set by adjusting the 20-24 hour timeframe. It is equipped with Incabloc Shock Protection, ensuring durability and reliability. The Tissot 31-21 movement was primarily utilized during the period around 1965.
The Tissot 31-21 features the following functions:
- Automatic Winding
- Calendar
- Date: set by changing 20-24h
- Incabloc Shock Protection
- Sweep second
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.45 x 0.100 x 380 x 10.0 mm | GR3957X | Auto | Buy mainspring |
Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) | |
|---|---|---|---|
| See More |
KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) | |
|---|---|---|---|
| See More | |||
| See More | |||
| See More |
Documents
Parts Listing
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