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Gruen 885
Ligne: 11.5'''
Jewels: 1/7/15
Power Reserve: 33 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1950
Diameter: 25.6 mm
Height: 4.2 mm
Hands: 1.50 x 0.80 / 0.20 mm
The Gruen 885 watch movement, produced around 1950, features a manual wind mechanism and a pin-lever escapement. It incorporates a sub second function and a ratchet on the dial side, with a crown mechanism utilizing a rocker bar. The 15 jewels version of this movement imitates balance screws to a high degree of precision.
The Gruen 885 features the following functions:
- Manual Winding
- Pin lever
- Sub Second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|---|---|
| 1814 | Ordinary/None | Buy staff |
| 4179 | Ordinary/None | Buy staff |
| 4179 | Incabloc | Buy staff |
| 3514 | Shock Resist | Buy staff |
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.70 x 0.105 x 300 x 9.0 mm | GR4895 | Manual | Buy mainspring |
| 1.70 x 0.110 x 260 x 9.0 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
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