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Jeambrun PS31A
Ligne: 8.75'''
Jewels: 15/17
Power Reserve: 50 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1945
Diameter: 19.7 mm
Height: 3.6 mm
Hands: 1.20 x 0.60 / 0.18 mm
The Jeambrun PS31A is a manual wind mechanical watch movement from the mid-1940s. It features a sub-second hand function. While similarities and differences between other Fontainemelon movements are not known, the specific technical details and characteristics of the Jeambrun PS31A remain undisclosed.
The Jeambrun PS31A features the following functions:
- Manual Winding
- Sub Second
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.60 x 0.080 x 250 x 7.5 mm | Manual | Buy mainspring | |
| 1.50 x 0.080 x 280 x 7.5 mm | GR4078 | Manual | Buy mainspring |
Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
Documents
Parts Listing
| Part Description | Reference # | Alternate | Buy |
|---|
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