Owner manual / English
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Casio Module 30 Manual
One owner's manual PDF for the Casio module 30 in English. Casio's spec sheet lists one 392, with 12 months of battery life and accuracy within ±15 seconds a month; the module first shipped in Aug 1977.
Module specs
Battery: 392 (silver-oxide)
Rated battery life: 12 months
Rated accuracy: ±15 sec/month
Casio service manual ref: S/M-102
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