Casio DW-003L / DW-9050B Manual — Module 2163

One owner's manual PDF for the Casio module 2163 in English. Casio fitted it in 5 models, including the DW-003L and DW-9050B — the full list is below. Casio's spec sheet lists one CR2016, with 36 months of battery life and accuracy within ±30 seconds a month; the module first shipped in Feb 2000.