Owner manual / English
OLD WATCH SHOP
Casio R-15 / R-16 Manual — Module 16
One owner's manual PDF for the Casio module 16 in English. Casio fitted it in the R-15, R-16, and S-11. Casio's spec sheet lists one 386, with 15 months of battery life and accuracy within ±7 seconds a month.
Module specs
Battery: 386 (silver-oxide)
Rated battery life: 15 months
Rated accuracy: ±7 sec/month
Open Casio battery finderOwner manuals
Watch models using this module
| Model | Released |
|---|---|
| R-15 | 1976 |
| R-16 | 1976 |
| S-11 | 1976 |
