Owner manual / English
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Casio Module 64 Manual
One owner's manual PDF for the Casio module 64 in English. Casio's spec sheet lists one BR2325, with 7 years of battery life and accuracy within ±15 seconds a month; the module first shipped in Feb 1979.
Module specs
Battery: BR2325 (lithium)
Rated battery life: 7 years
Rated accuracy: ±15 sec/month
Casio service manual ref: S/M-112
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