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Tissot 2501
Ligne: 11.5'''
Jewels: 17
Power Reserve: 41 hrs
Frequency: 18000 vph
Type: Automatic
Period used: 1931-
Diameter: 26.35 mm
Height: 7.4 mm
Hands: 1.30 x 0.75 / 0.20 mm
Base: Rolex 600
The Tissot 2501 watch movement, introduced in 1931, was the first automatic movement to feature rotor winding. It is equipped with a Breguet hairspring and has a detached manual wind system. The movement incorporates sub second functionality and is an automatic movement. The Tissot 2501 movement has been utilized in watch production from 1931 onwards.
The Tissot 2501 features the following functions:
- Automatic Winding
- Sub Second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|---|---|
| 2728 | Ordinary/None | Buy staff |
| 2159 | Ordinary/None | Buy staff |
| 2160 | Ordinary/None | Buy staff |
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.40 x 0.090 x 300 x 8.5 mm | GR3629X | Auto | Buy mainspring |
| 1.40 x 0.090 x 260 x 8.0 mm | GR3627X | Auto | 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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