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Casio GD-8 Manual — Module 233
One owner's manual PDF for the Casio module 233 in English. Casio fitted it in the GD-8. Casio's spec sheet lists one BR2016, with 3 years of battery life and accuracy within ±15 seconds a month; the module first shipped in Sep 1983.
Module specs
Battery: BR2016 (lithium)
Rated battery life: 3 years
Rated accuracy: ±15 sec/month
Casio service manual ref: S/M-145
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Watch models using this module
| Model | Released |
|---|---|
| GD-8 | 1984 |
| GD-8 | 1984 |