Owner manual / English
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Casio W-300 / A-253 Manual — Module 106
One owner's manual PDF for the Casio module 106 in English. Casio fitted it in 6 models, including the W-300 and A-253 — the full list is below. Casio's spec sheet lists one BR2320, with 5 years of battery life and accuracy within ±15 seconds a month; the module first shipped in Aug 1980.
Module specs
Battery: BR2320 (lithium)
Rated battery life: 5 years
Rated accuracy: ±15 sec/month
Casio service manual ref: S/M-118
Open Casio battery finderOwner manuals
Watch models using this module
| Model | Released |
|---|---|
| A-253 | 1980 |
| H101 | 1980 |
| H101 / W150- AKA [Black] | 1980 |
| W-51 | 1980 |
| W-51 | 1980 |
| W150 (H101)- AKA [Marlin] | 1980 |
| w-300- AKA [Marlin] | 1981 |
| W-300- AKA [marlin] | 1981 |
| W-400- AKA [Marlin] | 1982 |
