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Casio IA-1100 Manual — Module 728
One owner's manual PDF for the Casio module 728 in English. Casio fitted it in the IA-1100. Casio's spec sheet lists one SR1120W, with 2 years of battery life and accuracy within ±20 seconds a month; the module first shipped in Jun 1992.
Module specs
Battery: SR1120W (silver-oxide)
Rated battery life: 2 years
Rated accuracy: ±20 sec/month
Casio service manual ref: S/M-376
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Watch models using this module
| Model | Released |
|---|---|
| IA-1100- AKA [Personal Planner] | 1993 |