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Tissot 27B-21
Jewels: 7
Frequency: 18000 vph
Type: Manual Wind
Period used: 1912-1916
Diameter: 29.63 mm
The Tissot 27B-21 watch movement, manufactured from 1912 to 1916, encompasses 21,000 units. This specific movement boasts an open face calibre, model 3, incorporating a bimetallic screw balance and a Breguet hairspring. As for its stem mechanism, it employs a negative stem mechanism. Furthermore, the Tissot 27B-21 movement features stem wind and set functionality, a sub-second hand, and was utilized between the years 1912 and 1916.
The Tissot 27B-21 features the following functions:
- Stem wind and set
- Sub Second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
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Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
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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
| Part Description | Reference # | Alternate | Buy |
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