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Gruen 426SS
Ligne: 10.5'''
Jewels: 17
Power Reserve: 53 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1955
Diameter: 23.7 mm
Height: 3.95 mm
Hands: 1.50 x 0.80 / 0.21 mm
The Gruen 426SS is a manual wind mechanical watch movement developed by ETA. It shares similarities with other movements in the 1260 series, such as the 1260, 1262, 1264, 1268, 1270, 1272, and 1276. The Gruen 426SS features a sub-second function and was commonly used around the period of 1955.
The Gruen 426SS features the following functions:
- Manual Winding
- Sub Second
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.80 x 0.110 x 290 x 9.5 mm | Manual | Buy mainspring | |
| 1.80 x 0.105 x 300 x 9.0 mm | GR5266 | 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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