Owner manual / German
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Casio Module 754 Manual
One owner's manual PDF for the Casio module 754 (German only). Casio's spec sheet lists one SR927, with 3 years of battery life and accuracy within ±15 seconds a month; the module first shipped in Feb 1993.
Module specs
Battery: SR927 (silver-oxide)
Rated battery life: 3 years
Rated accuracy: ±15 sec/month
Casio service manual ref: S/M-392
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