Owner manual / English
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Casio DW-2500 / DW-720 Manual — Module 549
Three owner's manual PDFs for the Casio module 549, each a different scan (English included). Casio fitted it in 9 models, including the DW-2500 and DW-720 — the full list is below. Casio's spec sheet lists one CR2012, with 5 years of battery life and accuracy within ±15 seconds a month; the module first shipped in Dec 1986.
Module specs
Battery: CR2012 (lithium)
Rated battery life: 5 years
Rated accuracy: ±15 sec/month
Casio service manual ref: S/M-223
Open Casio battery finderOwner manuals
Watch models using this module
| Model | Released |
|---|---|
| DW-2500 | 1985 |
| DW-720- AKA [HD] | 1985 |
| W-38 | 1986 |
| W-47- AKA [WR] | 1986 |
| W-488 | - |
| W-71- AKA [ALARM CHRONO] | - |
| W-71- AKA [Napoleon Dynamite] | - |
| w-780 | 1987 |
| w-790- AKA [ALARM CHRONO] | 1988 |
| W-73- AKA [AIRPLANE BLU] | 1989 |
