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Citizen 4840
Ligne: 12.5'''
Jewels: 13
Frequency: 21600 vph
Type: Electronic
Period used: 1967-1970
Diameter: 28 mm
Height: 5.55 mm
Hands: 1.50 x 0.90 x 0.22 mm
The Citizen 4840 watch movement, produced from 1967 to 1970, was the first caliber to feature an electronically controlled balance motor. It offers a sweep seconds function, a date feature that is set by changing 23-24h, and a hack feature. The movement is electronic in nature and incorporates a sweep seconds hand and a calendar.
The Citizen 4840 features the following functions:
- Calendar
- Date: set by changing 23-24h
- Electronic Movement
- Electronically controlled balance motor
- Hack feature
- Sweep second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
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Mainspring Listing
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Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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Documents
Parts Listing
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