Casio TRI-10W Manual — Module 721

One owner's manual PDF for the Casio module 721 in English. Casio fitted it in the TRI-10W. Casio's spec sheet lists one SR927W, with 3 years of battery life and accuracy within ±20 seconds a month; the module first shipped in May 1991.

Module details

Brand: Casio

PDF files: 1

Released: May 1991

Mapped models: 1

Module specs

Battery: SR927W (silver-oxide)

Rated battery life: 3 years

Rated accuracy: ±20 sec/month

Casio service manual ref: S/M-355

Open Casio battery finder

Owner manuals

Owner manual / English

PDF

534 KB

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Watch models using this module

Model	Released
TRI-10W	1991