Seiko 9983 Movement Details

Seiko caliber 9983 is a high grade analog quartz watch movement. Production started around 1978.
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Sub-brands: SQ, Superior, Credor
Battery:SR927SW / 395 (Silver oxide)
Accuracy:±5 seconds/year
Day / date?Day + date
GMT / world time?No
Chronograph?No
Hacking?Yes
Rate:32,768 Hz
Number of jewels:5
Size / diameter:26.0mm
Height:3.7mm
Development division:Suwa (Nagano Prefecture, Japan)
Notes:Twin quartz for greater accuracy. The same as cal. 9980 but with day and date display. Has a battery life indicator function where the seconds hand moves in two-second intervals when the battery is running low.
Related movements: 9943 9980