|Homepage - Contents - H. Transistorised Watches with Balance, 3. Citizen||< Previous page | Next page >|
|Chronometer cal. 0802, 0802, 0884.|
|Chronomaster cal. 0820.|
|Chronotron cal. 0840 and 0880.|
|Date cal. 4840 (1969).|
|Caliber 0811, 0830, 4830.|
|Citizen 5600 series, 1969.|
|Caliber 5620 and 5650.|
|Citizen IC 12|
|The Citizen 5800 series, the IC 12, 1970. Frequency 12 Hz.|
5800 IC-12 Chronometer.
5810 and 5835 IC-12 Cosmotron with centre second.
5820 and 5830 without centre second. The movement has eight magnets fixed on the balance-wheel, two coils fixed on the pillar plate. This was an incredibly fast beating watch and the smallest transistorised ladies' watch at that time.
|Citizen 7800 Cosmotron, 1972.|
|Four different calibers exist: 7800, 7801, 7803 A and the 7804 A. When the watch is held upright, date correction becomes possible, while held upside down day correction is possible. Frequency 6 Hz.|
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