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Gruen 426
Ligne: 13'''
Lift Angle: 43°
Power Reserve: 27 hrs
Frequency: 17280 vph
Type: Manual Wind
Period used: ~1950
Diameter: 30.3 mm
Height: 4.8 mm
Hands: 1.89 x 1.10 mm
The Gruen 426 watch movement features a pin-lever escapement and an indirect minute hand friction clutch on the barrel. It incorporates a single, ingenious part that replaces the setting-lever spring, yoke, and yoke spring. This movement is manually wound and was used around the period of ~1950.
The Gruen 426 features the following functions:
- Manual Winding
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|---|---|
| 377 | Ordinary/None | Buy staff |
| 3586 | Ordinary/None | Buy staff |
| 3662 | Kif | Buy staff |
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.25 x 0.160 x 15.5 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) |
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Documents
Parts Listing
| Part Description | Reference # | Alternate | Buy |
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