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Casio PRT-20 Manual — Module 1525
One owner's manual PDF for the Casio module 1525 in English. Casio fitted it in the PRT-20. Casio's spec sheet lists one CR2016, with 1.5 years of battery life and accuracy within ±15 seconds a month; the module first shipped in Mar 1996.
Module specs
Battery: CR2016 (lithium)
Rated battery life: 1.5 years
Rated accuracy: ±15 sec/month
Casio service manual ref: S/M-519
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Watch models using this module
| Model | Released |
|---|---|
| PRT-20 | - |