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Casio W-90 Manual — Module 864
One owner's manual PDF for the Casio module 864 in English. Casio fitted it in the W-90. Casio's spec sheet lists one CR1220, with 2 years of battery life and accuracy within ±15 seconds a month; the module first shipped in May 1991.
Module specs
Battery: CR1220 (lithium)
Rated battery life: 2 years
Rated accuracy: ±15 sec/month
Casio service manual ref: S/M-354
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Watch models using this module
| Model | Released |
|---|---|
| W-90 | - |
