Owner manual / English
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Casio Module 3780 Manual
One owner's manual PDF for the Casio module 3780 in English. Casio's spec sheet lists two SR726W cells, with 2 years of battery life and accuracy within ±30 seconds a month; the module first shipped in Aug 2005.
Module specs
Battery: SR726W x2 (silver-oxide)
Rated battery life: 2 years
Rated accuracy: ±30 sec/month
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