Caliber
8203
- Movement
- Automatic
- Introduced
- 1977
- Jewels
- 21
- Beat rate
- 21,600 vph
- Power reserve
- About 40 hours
- Functions
- Hours, minutes, seconds, day, date
A simple, robust automatic movement used for decades in affordable Citizen divers, most famously the Promaster "Fugu". It does not hack (the seconds hand keeps running while the time is set). Later replaced by the 8204 in newer Fugu models.