Owner manual / English
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Casio S-15 / S-16 Manual — Module 18
One owner's manual PDF for the Casio module 18 in English. Casio fitted it in the S-15 and S-16. Casio's spec sheet lists one 393, with 15 months of battery life and accuracy within ±15 seconds a month; the module first shipped in Mar 1977.
Module specs
Battery: 393 (silver-oxide)
Rated battery life: 15 months
Rated accuracy: ±15 sec/month
Casio service manual ref: S/M-101
Open Casio battery finderOwner manuals
Watch models using this module
| Model | Released |
|---|---|
| S-15- AKA [casiotron] | 1976 |
| s-16 | 1976 |
