Owner manual / English
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Casio Module 111 Manual
One owner's manual PDF for the Casio module 111 in English. Casio's spec sheet lists one BR2016, with 2 years of battery life and accuracy within ±20 seconds a month; the module first shipped in Jan 1980.
Module specs
Battery: BR2016 (lithium)
Rated battery life: 2 years
Rated accuracy: ±20 sec/month
Casio service manual ref: S/M-115
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