OLD WATCH SHOP

Casio F-23W / F-24W Manual — Module 586

Two owner's manual PDFs for the Casio module 586, each a different scan (English included). Casio fitted it in the F-23W, F-24W, and F-28W. Casio's spec sheet lists one CR2016, with 7 years of battery life and accuracy within ±30 seconds a month; the module first shipped in Apr 1986.

Module details

Brand: Casio

PDF files: 2

Released: Apr 1986

Mapped models: 3

Module specs

Battery: CR2016 (lithium)

Rated battery life: 7 years

Rated accuracy: ±30 sec/month

Casio service manual ref: S/M-198

Open Casio battery finder

Owner manuals

Watch models using this module

ModelReleased
F-23W- AKA [Sporty Casual]1984
F-24W1986
F-28W- AKA [5mm Slim]1986

Watches in stock using this module

$166.50eBay $185.00
Rare Vintage Casio F-28W Men’s Digital Sports Watch JDM 1990s Module 1156

Rare Vintage Casio F-28W Men’s Digital Sports Watch JDM 1990s Module 1156