Owner manual / English
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Casio A-150 / W-20 Manual — Module 152
One owner's manual PDF for the Casio module 152 in English. Casio fitted it in 6 models, including the A-150 and W-20 — the full list is below. Casio's spec sheet lists one BR2016, with 5 years of battery life and accuracy within ±15 seconds a month; the module first shipped in Oct 1981.
Module specs
Battery: BR2016 (lithium)
Rated battery life: 5 years
Rated accuracy: ±15 sec/month
Casio service manual ref: S/M-124
Open Casio battery finderOwner manuals
Watch models using this module
| Model | Released |
|---|---|
| W-20- AKA [Swimmer] | 1980 |
| W-21- AKA [Lefty] | 1980 |
| W-21- AKA [Lefty] | 1982 |
| W-21- AKA [Lefty] | 1982 |
| W-30- AKA [Swimmer] | 1982 |
| W-30- AKA [Swimmer] | 1983 |
| A-150 | 1984 |
| W-350 | 1984 |
| W-350C | 1984 |
