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Girard Perregaux 31.8
Ligne: 11.5'''
Jewels: 17/21/25
Lift Angle: 52°
Power Reserve: 42 hrs
Frequency: 21600 vph
Type: Automatic
Period used: ~1970
Diameter: 26 mm
Height: 4.7 mm
Hands: 1.50 x 0.90 x 0.21 mm
The Girard Perregaux 31.8 watch movement features an indirectly driven minute hand, which enables the inclusion of a large balance while maintaining a low-profile design. This automatic movement offers a range of functions including a sweep second hand, day and date display, and a calendar. It is capable of adjusting the day by +/-24 hours and the date by changing the time from 20-24 hours. The Girard Perregaux 31.8 movement was commonly used around 1970.
The Girard Perregaux 31.8 features the following functions:
- Automatic Winding
- Calendar
- Date display, set by changing 20-24 hours
- Day display, set by +/- 24 hours
- Sweep Seconds
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.00 x 0.115 x 360 x 11.0 mm | GR2465X | Auto | Buy mainspring |
| 1.00 x 0.120 x 360 x 10.5 mm | GR2470X | Auto | Buy mainspring |
| 1.00 x 0.120 x 310 x 10.5 mm | Auto | 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) |
|---|
Documents
Parts Listing
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