Seiko 0903 Movement Details

Seiko caliber 0903 is an analog quartz watch movement. Production started around 1975.
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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
Development division:	Suwa (Nagano Prefecture, Japan)
PDF guides:	Technical guide : 0903A
Related movements:	0920 0922 0923

Part Codes

Stem code:	354900
Screw codes:	022451 (case screw), 022493, 022494, 022766