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Gruen 470SS
Ligne: 12'''
Jewels: 17
Power Reserve: 46 hrs
Frequency: 18000 vph
Type: Automatic
Period used: 1945-1950
Diameter: 27 mm
Height: 5.7 mm
Hands: 1.15 x 0.78 mm
The Gruen 470SS watch movement, produced from 1945 to 1950, introduced several notable features, including the implementation of a Breguet hairspring. It was the first automatic movement developed by Movado. The movement incorporates functions such as a sweep second hand and an automatic (bumper) winding system.
The Gruen 470SS features the following functions:
- Automatic (bumper)
- Sweep second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|---|---|
| 2729 | Ordinary/None | Buy staff |
| 4096 | Incabloc | Buy staff |
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|
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
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