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Gruen 835
Ligne: 19'''
Jewels: 15
Power Reserve: 35 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: 1929-
Diameter: 43.25 mm
Height: 4.5 mm
Hands: 1.60 x 0.85 / 0.27 mm
Base: Junghans J43
The Gruen 835 watch movement, produced from 1929 onwards, is a hunter calibre featuring a bimetallic screw balance with four adjustment screws and a Breguet hairspring. While it is known that Junghans produced a variant of this movement, the Junghans J43 with a separate escape-wheel cock, it is unclear whether these calibres were also utilized in Junghans watches. The Gruen 835 offers stem winding and setting, a sub-second function, and a hack feature.
The Gruen 835 features the following functions:
- Hack feature
- Stem wind and set
- Sub Second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.50 x 0.210 x 440 x 16.0 mm | GR4362 | 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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