Owner manual / English
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Casio A255 / W-23 Manual — Module 248
One owner's manual PDF for the Casio module 248 in English. Casio fitted it in 9 models, including the A255 and W-23 — the full list is below. Casio's spec sheet lists one BR2016, with 5 years of battery life and accuracy within ±10 seconds a month; the module first shipped in May 1982.
Module specs
Battery: BR2016 (lithium)
Rated battery life: 5 years
Rated accuracy: ±10 sec/month
Casio service manual ref: S/M-129
Open Casio battery finderOwner manuals
Watch models using this module
| Model | Released |
|---|---|
| A255 | 1980 |
| W-23 | 1980 |
| W-35 | 1980 |
| W-35 | 1980 |
| w-750- AKA [Marlin or Sailfish] | 1980 |
| w-450- AKA [Marlin] | 1981 |
| W-450- AKA [Marlin] | 1981 |
| W-24 | 1982 |
| W-36 | 1982 |
| W-36- AKA [Marlin] | 1982 |
| W-26 | 1983 |
| W-35 | 1983 |
| W-36 | 1983 |
| W-36 | 1983 |
| W-750 | 1983 |
| A-254 | 1984 |
| W-24 | 1984 |
| W-24 | 1984 |
