Owner manual / Japanese
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Casio Module 2704 Manual
One owner's manual PDF for the Casio module 2704 (Japanese only). Casio's spec sheet lists one CTL1616, with 6 months of battery life and accuracy within ±15 seconds a month; the module first shipped in Sep 2003.
Module specs
Battery: CTL1616 (solar)
Rated battery life: 6 months
Rated accuracy: ±15 sec/month
Casio service manual ref: S/M-830
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