Owner manual / Japanese
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Casio Module 3766 Manual
One owner's manual PDF for the Casio module 3766 (Japanese only). Casio's spec sheet lists one CR1220, with 2 years of battery life and accuracy within ±15 seconds a month; the module first shipped in Sep 2005.
Module specs
Battery: CR1220 (lithium)
Rated battery life: 2 years
Rated accuracy: ±15 sec/month
Casio service manual ref: S/M-912
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