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Gruen 335-21
Ligne: 10.5'''
Jewels: 15/17
Power Reserve: 41 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1950
Diameter: 23.35 mm
Height: 3.5 mm
Hands: 1.40 x 0.80 / 0.22 mm
The Gruen 335-21 watch movement is a manually-wound mechanical movement that features a sub-second complication. It is part of a range of movements including the 900, 902, 903, 927-929, 938, 941, and 968, where the differences are primarily attributed to different bridge designs. The Gruen 335-21 movement was commonly used in watches from approximately the 1950s.
The Gruen 335-21 features the following functions:
- Manual Winding
- Sub Second
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.55 x 0.100 x 290 x 9.0 mm | Manual | Buy mainspring | |
| 1.55 x 0.105 x 280 x 9.0 mm | GR4390 | 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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