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Casio JC-20 Manual — Module 1265
One owner's manual PDF for the Casio module 1265 in English. Casio fitted it in the JC-20. Casio's spec sheet lists one CR2016, with 2 years of battery life and accuracy within ±15 seconds a month; the module first shipped in Jan 1995.
Module specs
Battery: CR2016 (lithium)
Rated battery life: 2 years
Rated accuracy: ±15 sec/month
Casio service manual ref: S/M-478
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Watch models using this module
| Model | Released |
|---|---|
| JC-20- AKA [JOG & WALK CALORIE] | 1990 |
| JC-20 | 1995 |