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Casio Module 1891 Manual

Six owner's manual PDFs for the Casio module 1891, each a different scan (English included). Casio's spec sheet lists one SR1120W and a SR621W (for EL) backup cell, with accuracy within ±15 seconds a month; the module first shipped in May 1998.

Module details

Brand: Casio

PDF files: 6

Released: May 1998

Mapped models: 0

Module specs

Battery: SR1120W (silver-oxide)

Backup cell: SR621W (for EL)

Rated accuracy: ±15 sec/month

Casio service manual ref: S/M-603

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Owner manuals