Casio SDB-300W Manual — Module 503

One owner's manual PDF for the Casio module 503 in English. Casio fitted it in the SDB-300W. 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 Aug 1986.

Module details

Brand: Casio

PDF files: 1

Released: Aug 1986

Mapped models: 2

Module specs

Battery: CR2016 (lithium)

Rated battery life: 3 years

Rated accuracy: ±15 sec/month

Casio service manual ref: S/M-211

Open Casio battery finder

Owner manuals

Owner manual / English

PDF

595 KB

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Watch models using this module

Model	Released
SDB-300W- AKA [Lap Memory 30]	1986
SDB-300W- AKA [Lap Memory 30]	1986

Watches in stock using this module

$8,999.10eBay $9,999.00

Rare Vintage Casio Nike SDB-300W Men’s Digital Sports Watch JDM 1980s Module 503

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Rare Vintage Casio Casiotron 04-503 Men’s Digital Sports Watch JDM 1970s

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Rare Vintage Casio SDB-300W Lap Memory 30 Men’s Digital Sports Watch JDM 1980s