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Citizen 1803
Ligne: 19.5'''
Jewels: 11
Power Reserve: 14 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1971
Diameter: 44.8 mm
Height: 8.4 mm
Hands: 1.35 / 1.35 mm
The Citizen 1803 watch movement is an open face calibre with a stop function implemented using a pillar wheel. It features a barrel with Geneva stopwork. Since approximately 1960, it includes shock protection mechanisms. Since around 1970, it has been equipped with a new mobile stud carrier, balance-stop, and its guide. The movement offers several functions, including a 60-second (0.2s) timer, a 60-minute timer, addition timer capabilities, stem winding, and a sweep second hand. This particular movement was used in watches manufactured around the year 1971.
The Citizen 1803 features the following functions:
- Addition timer
- Stem wind
- Sweep second
- Timer (60s - 0.2s) with a pillar wheel
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|---|---|
| 3096 | Ordinary/None | Buy staff |
| 4143 | Ordinary/None | Buy staff |
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.70 x 0.190 x 18.0 mm | Manual | Buy mainspring |
Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
Documents
Parts Listing
| Part Description | Reference # | Alternate | Buy |
|---|
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