Owner manual / English
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Casio J-100 Manual — Module 183
One owner's manual PDF for the Casio module 183 in English. Casio fitted it in the J-100. Casio's spec sheet lists two 389 cells, with 12 months of battery life and accuracy within ±15 seconds a month; the module first shipped in Sep 1981.
Module specs
Battery: 389 x2 (silver-oxide)
Rated battery life: 12 months
Rated accuracy: ±15 sec/month
Casio service manual ref: S/M-123
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Watch models using this module
| Model | Released |
|---|---|
| J-100- AKA [Jogging Pace Runner] | 1980 |
| J-100 | 1983 |
| J-100 | 1983 |