Owner manual / English
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Casio B815 / B815G Manual — Module 155
Two owner's manual PDFs for the Casio module 155, each a different scan (English included). Casio fitted it in 8 models, including the B815 and B815G — the full list is below. Casio's spec sheet lists one BR2016, with 5 years of battery life and accuracy within ±15 seconds a month; the module first shipped in Jan 1982.
Module specs
Battery: BR2016 (lithium)
Rated battery life: 5 years
Rated accuracy: ±15 sec/month
Casio service manual ref: S/M-125
Open Casio battery finderWatch models using this module
| Model | Released |
|---|---|
| B815 | 1980 |
| B815G | 1980 |
| B816G | 1980 |
| Casio F-10PM- AKA [ Megaforce] | 1980 |
| F-10 | 1980 |
| F-11 | 1980 |
| B-815 | 1984 |
| B-816 | 1984 |
| F-10 | 1984 |
| F-10 | 1984 |
| F-11 | 1984 |
