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Junghans J77
Ligne: 11.5'''
Jewels: 15
Power Reserve: 36 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1925
Diameter: 26 mm
Height: 4.3 mm
Hands: 1.30 x 0.80 / 0.24 mm
The Junghans J77 is a mechanical watch movement introduced around 1925. It is a manual wind movement with a sub second function. There are various bridge layouts, and the differences between the A. Schild 780, 784, 785, and 971 are not known.
The Junghans J77 features the following functions:
- Manual Winding
- Sub Second
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.50 x 0.100 x 290 x 9.0 mm | Manual | Buy mainspring | |
| 1.50 x 0.105 x 280 x 9.0 mm | GR41332 | 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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