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Tissot 27-1T
Jewels: 7
Power Reserve: 33 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: 1896-1898
Diameter: 45.75 mm
Height: 10.1 mm
Hands: 2.46 x 1.27 / 0.30 mm
The Tissot 27-1T watch movement, produced in the period between 1896 and 1898, consisted of 33,000 units. This open face caliber model 5 featured a bimetallic screw balance and a Breguet hairspring. Notably, it had a ratchet located under the base plate and a negative stem mechanism complemented by a rocker bar. The movement allowed for stem winding with switching options available through the crown or lever. Additionally, it included a sub-second function.
The Tissot 27-1T features the following functions:
- Stem wind, switching by crown or lever
- Sub Second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 2.90 x 0.230 x 540 x 18.0 mm | DBH | 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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