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Casio W-54US Manual — Module 814
One owner's manual PDF for the Casio module 814 in English. Casio fitted it in the W-54US. Casio's spec sheet lists one CR2016, with 5 years of battery life and accuracy within ±15 seconds a month; the module first shipped in Jun 1988.
Module specs
Battery: CR2016 (lithium)
Rated battery life: 5 years
Rated accuracy: ±15 sec/month
Casio service manual ref: S/M-284
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Watch models using this module
| Model | Released |
|---|---|
| W-54US- AKA [USA SIX TIME ZONE] | 1987 |