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Hermann Becker 81
(Becker)
Ligne: 8 x 9'''
Jewels: 17
Power Reserve: 42 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1945
Size: 18.5 x 20.9 mm
Height: 3.55 mm
Hands: 1.30 x 0.60 / 0.20 mm
The Hermann Becker 81 movement is a manual-wind mechanical watch movement that includes a sub-second function. It is part of a series of movements that include the 170, 173, 175, 176, 178, 179, and 180, although the specific differences between these movements are not known. The Hermann Becker 81 movement was most likely used during the period of around 1945.
The Hermann Becker 81 features the following functions:
- Manual Winding
- Sub Second
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.55 x 0.090 x 280 x 8.5 mm | Manual | Buy mainspring | |
| 1.50 x 0.090 x 280 x 8.0 mm | GR4100 | 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) |
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Documents
Parts Listing
| Part Description | Reference # | Alternate | Buy |
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