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Gruen 405SS
Ligne: 6.25 x 10.5'''
Jewels: 15
Power Reserve: 30 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: 1922-
Size: 14 x 23.5 mm
Height: 3.3 mm
Hands: 1.06 x 0.55 mm
Base: Gruen ROL 250
The Gruen 405SS watch movement is a manual wind movement that was in use from 1922 onwards. It features a bimetallic screw balance and a Breguet hairspring. The movement is identical to the Alpina 833 and Rolex 250 movements, and it was manufactured by Aegler.
The Gruen 405SS features the following functions:
- Manual Winding
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 0.94 x 0.095 x 250 x 8.0 mm | Manual | Buy mainspring | |
| 0.90 x 0.095 x 260 x 8.0 mm | GR2294 | Manual | Buy mainspring |
| 0.90 x 0.080 x 240 x 7.0 mm | GR2277 | 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) |
|---|
Documents
Parts Listing
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