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Zenith 1731
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
The Zenith 1731 watch movement features Girocap combined settings for the escapement wheel and an indirectly driven minute hand, which contributes to a larger balance. Produced around the period of approximately 1965, these movements are the result of a collaborative effort involving Doxa, Ebel, Eberhard, Favre-Leuba, Girard-Perregaux, Juvenia, and Zodiac. It is worth noting that the calibers Felsa 4035 and 4036 are considered equivalent, although their actual producer remains uncertain as they are not documented in any other register. The movement is equipped with a manual wind backwinder.
The Zenith 1731 features the following functions:
- Manual wind backwinder
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
| Part Description | Reference # | Alternate | Buy |
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