Owner manual / English
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Casio 31CGR-14 / 31CS-10 Manual — Module 31
Two owner's manual PDFs for the Casio module 31, each a different scan (English included). Casio fitted it in 8 models, including the 31CGR-14 and 31CS-10 — the full list is below. Casio's spec sheet lists one 392, with 12 months of battery life and accuracy within ±15 seconds a month; the module first shipped in Oct 1977.
Module specs
Battery: 392 (silver-oxide)
Rated battery life: 12 months
Rated accuracy: ±15 sec/month
Casio service manual ref: S/M-104
Open Casio battery finderWatch models using this module
| Model | Released |
|---|---|
| 31CGR-14- AKA [Casiotron] | 1976 |
| 31CS-10- AKA [Casiotron] | 1976 |
| 31QGR-20B-1 | 1976 |
| 31QR-12 | 1976 |
| 31QR-16 | 1976 |
| 31QR-20 | 1976 |
| 31QS-11 | 1976 |
| 31QS-12 | 1976 |
