Owner manual
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Casio J-50 / J-51W Manual — Module 208
One owner's manual PDF for the Casio module 208. Casio fitted it in the J-50, J-51W, and J-52W. Casio's spec sheet lists one BR2016, with 2 years of battery life and accuracy within ±15 seconds a month; the module first shipped in Jul 1982.
Module specs
Battery: BR2016 (lithium)
Rated battery life: 2 years
Rated accuracy: ±15 sec/month
Casio service manual ref: S/M-131
Open Casio battery finderOwner manuals
Watch models using this module
| Model | Released |
|---|---|
| J-50- AKA [Running man] | 1984 |
| J-51W- AKA [JOGGING] | 1984 |
| J-51W- AKA [Running man] | 1984 |
| J-51W- AKA [Running man] | 1984 |
| J-51W- AKA [Running man] | 1984 |
| J-52W | 1988 |
| J-52W- AKA [Walking] | 1988 |
