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Judex 50.1
(Sefea)
Ligne: 8.75'''
Jewels: 1/17
Power Reserve: 39 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: 1974-
Diameter: 19.7 mm
Height: 4.15 mm
Hands: 1.50 x 0.90 x 0.25 mm
The Judex 50.1 watch movement, introduced in 1974, features a pin-lever escapement and an indirect minute hand with a friction clutch on the barrel. The stem can be released by strongly pulling the crown counterclockwise, and inserted by strongly depressing the crown counterclockwise. The movements within this family have different variations, but limited documentation exists on them. The movements are typically signed with the designation of the most commonly produced variant. Codes for specific features are included in the signature if the official designation is unknown. This mechanical movement offers manual winding, sweep seconds, and a pin lever mechanism.
The Judex 50.1 features the following functions:
- Manual Winding
- Pin lever
- Sweep second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.50 x 0.090 x 8.0 mm | 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
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