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Judex 50
(Sefea)
Ligne: 17.75'''
Jewels: 15
Power Reserve: 34 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1908
Diameter: 40.3 mm
Height: 5.3 mm
Hands: 1.60 x 1.02 / 0.25 mm
The Judex 50 watch movement is an open face calibre with a bimetallic screw balance featuring four adjustment screws. It utilizes a Breguet hairspring and a cam disc regulator. It is equipped with a negative stem mechanism specifically designed for the US market. In later samples, a click and regulator, as exhibited in the Zenith 16''' model, were added. The movement functions include stem winding and setting, as well as a sub-second display. This movement was commonly utilized around 1908.
The Judex 50 features the following functions:
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
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Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
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Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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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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