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ETA 939
Ligne: 11.5'''
Jewels: 17/19
Power Reserve: 45 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1975
Diameter: 26.65 mm
Height: 4.4 mm
Hands: 1.60 x 1.04 x 0.18 mm
The ETA 939 watch movement is equipped with the combined settings for the escape wheel, featuring 19 jewels. The differences between the R2609, 2609.H, and 2609.HA variants are not known. This movement offers manual wind functionality, a sweep second hand, and was commonly used around 1975.
The ETA 939 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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Documents
Parts Listing
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