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Gruen 291
Ligne: 11.5'''
Jewels: 17/21
Lift Angle: 52°
Power Reserve: 50 hrs
Frequency: 21600 vph
Type: Manual Wind
Period used: 1969-1982
Diameter: 26 mm
Height: 4.8 mm
Hands: 1.50 x 0.90 x 0.25 mm
The Gruen 291 is a manual wind watch movement manufactured between 1969 and 1982. It features a sweep second function, a day function that can be set by +/-24 hours, and a quickset date function. Additionally, it offers the option of a hack feature. The Gruen 291 movement was produced in a total of 6,156,000 units during its period of use.
The Gruen 291 features the following functions:
- Calendar
- Date: quickset
- Day: set by +/-24h
- Manual Winding
- Option: Hack feature
- Sweep second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|---|---|
| 5424 | Ordinary/None | Buy staff |
| 5424 | Incabloc | Buy staff |
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.40 x 0.095 x 380 x 10.0 mm | GR3654 | Manual | Buy mainspring |
| 1.40 x 0.090 x 360 x 10.0 mm | GR3632 | Manual | Buy mainspring |
Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) | |
|---|---|---|---|
| See More |
Documents
Parts Listing
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