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Casio CS-23 Manual — Module 47

One owner's manual PDF for the Casio module 47 in English. Casio fitted it in the CS-23. Casio's spec sheet lists one 389, with 15 months of battery life and accuracy within ±10 seconds a month; the module first shipped in Nov 1978.

Module details

Brand: Casio

PDF files: 1

Released: Nov 1978

Mapped models: 1

Module specs

Battery: 389 (silver-oxide)

Rated battery life: 15 months

Rated accuracy: ±10 sec/month

Casio service manual ref: S/M-110

Open Casio battery finder

Owner manuals

Watch models using this module

ModelReleased
CS-23- AKA [Calendar 200]1976

Watches in stock using this module

$67.50eBay $75.00
Rare Vintage Casio W-47 Men’s Digital Sports Watch Module 549 JDM 1980s

Rare Vintage Casio W-47 Men’s Digital Sports Watch Module 549 JDM 1980s