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Gruen 879
Ligne: 11.5'''
Jewels: 15/17/21
Power Reserve: 44 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1955
Diameter: 23.3 mm
Hands: 1.30 x 0.90 x 0.21 mm
The Gruen 879 watch movement is a mechanical movement that shares similarities with the 282 movement, featuring a larger pillar plate. However, the specific differences between the 281, 283, and 285 movements are not known. This movement offers manual winding, sweep seconds, and a date hand that can be set by changing the 20-24 hour position. It was used during the approximate period of 1955.
The Gruen 879 features the following functions:
- Date hand: set by changing 20-24h
- Manual Winding
- Sweep second
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.45 x 0.100 x 315 x 9.5 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) |
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Documents
Parts Listing
| Part Description | Reference # | Alternate | Buy |
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