Casio A-661G Manual — Module 237

One owner's manual PDF for the Casio module 237 in English. Casio fitted it in the A-661G. Casio's spec sheet lists one 396, with 15 months of battery life and accuracy within ±15 seconds a month; the module first shipped in Aug 1982.

Module details

Brand: Casio

PDF files: 1

Released: Aug 1982

Mapped models: 1

Module specs

Battery: 396 (silver-oxide)

Rated battery life: 15 months

Rated accuracy: ±15 sec/month

Casio service manual ref: S/M-132

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Owner manuals

Owner manual / English

PDF

110 KB

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Watch models using this module

Model	Released
A-661G	1984