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Gruen 1077
Ligne: 11.5'''
Jewels: 17
Lift Angle: 54°
Power Reserve: 50 hrs
Frequency: 28800 vph
Type: Manual Wind
Period used: 1969-1982
Diameter: 26 mm
Height: 4.7 mm
Hands: 1.50 x 0.90 x 0.25 mm
Base: ETA 2751
The Gruen 1077 is a manual wind watch movement that was produced from 1969 to 1982, with a total production of 6,156,000 units. It features a sweep second function, day and date display, and a calendar that can be set by changing the 20-24 hour hand. Additionally, it has the option for a hack feature.
The Gruen 1077 features the following functions:
- Calendar
- Date (set by changing 20-24h)
- Day
- Day and Date Display
- Hack feature (optional)
- Manual Winding
- Sweep second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.45 x 0.130 x 400 x 11.0 mm | Manual | Buy mainspring |
Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) | |
|---|---|---|---|
| See More |
KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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Documents
Parts Listing
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