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Tissot 31-1
Ligne: 11.5'''
Jewels: 17/21/25
Lift Angle: 52°
Power Reserve: 42 hrs
Frequency: 21600 vph
Type: Automatic
Period used: ~1970
Diameter: 26 mm
Height: 4.1 mm
Hands: 1.50 x 0.90 x 0.21 mm
The Tissot 31-1 watch movement, which was in use circa 1970, is an automatic movement with a sweep seconds function and a calendar feature. The movement's indirectly driven minute allows for a large balance and low profile. The date can be set by adjusting the 20-24 hour range.
The Tissot 31-1 features the following functions:
- Automatic Winding
- Calendar
- Date: set by changing 20-24h
- Sweep second
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.00 x 0.115 x 360 x 11.0 mm | GR2465X | Auto | Buy mainspring |
| 1.00 x 0.120 x 360 x 10.5 mm | GR2470X | Auto | Buy mainspring |
| 1.00 x 0.120 x 310 x 10.5 mm | 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) |
|---|
Documents
Parts Listing
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