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Judex 21
(Sefea)
Ligne: 11.5'''
Jewels: 17
Power Reserve: 48 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1970
Diameter: 26 mm
Height: 4.6 mm
Hands: 1.30 x 0.90 x 0.21 mm
The Judex 21 watch movement, also known as FHF-ST, is a manual wind movement used in watches around the 1970s. It features a sweep second hand and a date function that can be adjusted by changing the 21-24h position. While differences between the 96-4 and 969-4 variations are not known, the movement is recognized for its reliable performance and accuracy.
The Judex 21 features the following functions:
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.60 x 0.120 x 350 x 11.0 mm | 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) |
|---|
Documents
Parts Listing
| Part Description | Reference # | Alternate | Buy |
|---|
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