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Gruen 406SS
Ligne: 12'''
Jewels: 19
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1970
Diameter: 27.07 mm
The Gruen 406SS watch movement is equipped with a pin-lever escapement and features an indirect minute, hand friction clutch on the barrel. However, the actual manufacturer of this movement remains unknown. This circa 1970 movement offers manual winding and includes a sweep second function.
The Gruen 406SS features the following functions:
- Manual Winding
- Sweep second
Balance Staff Listing
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Mainspring Listing
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Incabloc Part Listing
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KIF Part Listing
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