Casio FB-50 / FB-52W Manual — Module 520

One owner's manual PDF for the Casio module 520 in English. Casio fitted it in the FB-50 and FB-52W. Casio's spec sheet lists one S.C., with accuracy within ±30 seconds a month; the module first shipped in Jun 1986.

Module details

Brand: Casio

PDF files: 1

Released: Jun 1986

Mapped models: 3

Module specs

Battery: S.C. (solar)

Rated accuracy: ±30 sec/month

Casio service manual ref: S/M-205

Open Casio battery finder

Owner manuals

Owner manual / English

PDF

272 KB

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Watch models using this module

Model	Released
FB-50- AKA [Batteryless]	1981
FB-52W- AKA [Batteryless]	1986
FB-52W- AKA [BATTERYLESS]	1986