Seiko 0903 Movement Details

Seiko caliber 0903 is an analog quartz watch movement. Production started around 1976.
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Sub-brands: 4004, SQ
Battery:SR43SW / 301 (Silver oxide)
Accuracy:±15 seconds/month
Day / date?Day + date
GMT / world time?No
Chronograph?No
Rate:32,768 Hz
Number of jewels:0 or 2
Size / diameter:27.0mm
Height:5.3mm
Stem code: 354900
Screw codes: 022451, 022493, 022494, 022766
Development division:Suwa (Nagano)
PDF guides: Technical guide : 0903A

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