Casio GPX-2100 Manual — Module 939

One owner's manual PDF for the Casio module 939 in English. Casio fitted it in the GPX-2100. Casio's spec sheet lists one CR2016, with 3 years of battery life and accuracy within ±15 seconds a month; the module first shipped in Apr 1991.

Module details

Brand: Casio

PDF files: 1

Released: Apr 1991

Mapped models: 1

Module specs

Battery: CR2016 (lithium)

Rated battery life: 3 years

Rated accuracy: ±15 sec/month

Casio service manual ref: S/M-349

Open Casio battery finder

Owner manuals

Owner manual / English

PDF

623 KB

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Watch models using this module

Model	Released
GPX-2100	-