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Casio PRT-35 Manual — Module 1898
One owner's manual PDF for the Casio module 1898 in English. Casio fitted it in the PRT-35. Casio's spec sheet lists two SR927W cells, with 18 months of battery life and accuracy within ±15 seconds a month; the module first shipped in Oct 1998.
Module specs
Battery: SR927W x2 (silver-oxide)
Rated battery life: 18 months
Rated accuracy: ±15 sec/month
Casio service manual ref: S/M-619
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Watch models using this module
| Model | Released |
|---|---|
| PRT-35 | - |