Seiko 7903 Movement Details

Seiko caliber 7903 is an analog quartz watch movement. Production was in the 1970s.
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Sub-brands: Joyful
Battery:SR41SW / 384 (Silver oxide)
Accuracy:±20 seconds/month
Day / date?Day + date
GMT / world time?No
Rate:32,768 Hz
Number of jewels:7
Size / diameter:18.0mm
Development division:Suwa (Nagano Prefecture, Japan)
Notes:Has a battery life indicator function where the seconds hand moves in two-second intervals when the battery is running low.
PDF guides: Technical guide : 7903A
Related movements: 7918

Part Codes

Stem code: 354791
Date wheel code: 801584
Screw codes: 022282, 022424, 022468, 022764 (dial screw)