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Citizen 7740
Ligne: 12.5'''
Jewels: 24
Lift Angle: 49°
Power Reserve: 50 hrs
Frequency: 19800 vph
Type: Automatic
Period used: 1958-1967
Diameter: 28.4 mm
Height: 5.0 mm
Hands: 1.50 x 0.80 x 0.18 mm
Base: Omega 560
The Citizen 7740 watch movement was produced from 1958 to 1967 and a total of 5,800,000 units were manufactured during this period. It is a chronometer movement. The movement is automatic and features a sweep second hand. It includes a date function, which can be set by changing the 21-24 hour indicator. The movement also incorporates Incabloc shock protection. This movement was widely used during the period of 1958 to 1967.
The Citizen 7740 features the following functions:
- Automatic Winding
- Calendar
- Date: set by changing 21-24h
- Incabloc Shock Protection
- Sweep second
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.10 x 0.105 x 360 x 11.0 mm | GR2628X | Auto | Buy mainspring |
| 1.05 x 0.120 x 340 x 10.0 mm | GR2535X | Auto | Buy mainspring |
Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) | |
|---|---|---|---|
| See More | |||
| See More | |||
| See More |
KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
Documents
Parts Listing
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