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Junghans J71
Ligne: 8.75'''
Jewels: 15
Power Reserve: 35 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1925
Diameter: 19.75 mm
Height: 3.55 mm
Hands: 1.25 x 0.70 / 0.20 mm
The Junghans J71 watch movement, manufactured around 1925, is a manual wind movement with sub second functionality. It features a bimetallic screw balance and a stem mechanism without a setting-lever spring. The bridge shapes of the movement may differ from those shown in the Ebel 8.75''' model. The specific differences between the Junghans J71 and other Felsa movements such as the 158, 159, 185, 208, 212, 220, 238, 246, 251, 259, 261, and 277 are not known.
The Junghans J71 features the following functions:
- Manual Winding
- Sub Second
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.30 x 0.080 x 220 x 7.0 mm | Manual | Buy mainspring | |
| 1.30 x 0.100 x 260 x 6.0 mm | GR3251 | 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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