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Certina 19-31
Ligne: 5.75'''
Jewels: 17
Power Reserve: 42 hrs
Frequency: 21600 vph
Type: Manual Wind
Period used: ~1965
Diameter: 13.25 mm
Height: 3.1 mm
Hands: 0.99 x 0.49 mm
Base: Felsa 4035
The Certina 19-31 watch movement features a Girocap combined setting for the escapement wheel and an indirectly driven minute hand, allowing for a large balance. This movement was developed through a joint collaboration between Doxa, Ebel, Eberhard, Favre-Leuba, Girard-Perregaux, Juvenia, and Zodiac. It is worth noting that Bestfit lists the calibres Felsa 4035 and 4036 as equivalent to the Certina 19-31, but their actual manufacturer remains uncertain. This movement is manually wound and was primarily used during the approximate period of 1965.
The Certina 19-31 features the following functions:
- Manual Winding
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
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Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.40 x 0.060 x 180 x 5.5 mm | GR3560 | 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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