Owner manual / English
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Casio S-830 / S830 Manual — Module 140
One owner's manual PDF for the Casio module 140 in English. Casio fitted it in the S-830 and S830. Casio's spec sheet lists one BR2320, with 5 years of battery life and accuracy within ±15 seconds a month; the module first shipped in Apr 1981.
Module specs
Battery: BR2320 (lithium)
Rated battery life: 5 years
Rated accuracy: ±15 sec/month
Casio service manual ref: S/M-121
Open Casio battery finderOwner manuals
Watch models using this module
| Model | Released |
|---|---|
| S-830 | 1980 |
| S830 | 1980 |
| S830 | 1980 |
