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Hamilton 781
Ligne: 13'''
Jewels: 39
Power Reserve: 47 hrs
Frequency: 18000 vph
Type: Automatic
Period used: 1963-
Diameter: 29.4 mm
Height: 4.95 mm
Hands: 1.52 x 1.00 x 0.18 mm
The Hamilton 781 watch movement, introduced in 1963, features a ring rotor that rotates on 9 ruby balls. Additionally, the movement incorporates three plates with jewels to secure the fixed inner ring of the rotor bearing. Functionally, the movement is automatic, includes a sweep second hand, and has a date function that can be set by changing the time in the 21-24h range. The Hamilton 781 movement has been used since 1963.
The Hamilton 781 features the following functions:
- Automatic Winding
- Date function: set by changing 21-24h
- Sweep second movement
Mainspring Listing
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Incabloc Part Listing
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KIF Part Listing
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