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Tissot 27B-21
Ligne: 14'''
Jewels: 15
Power Reserve: 50 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1941
Diameter: 31.58 mm
Hands: 1.38 x 0.80 mm
The Tissot 27B-21 watch movement is a manually-winding movement with a sub-second function. It is generally considered to be widely equal to the Eterna 852 movement. The differences between the ETA 853, 854, 858, and 859 movements are not known. The Tissot 27B-21 movement was primarily used around 1941.
The Tissot 27B-21 features the following functions:
- Manual Winding
- Sub Second
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.80 x 0.170 x 13.5 mm | Manual | 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
| Part Description | Reference # | Alternate | Buy |
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