Casio DW-8800BJ / DW-8800MJ Manual — Module 1444

One owner's manual PDF for the Casio module 1444 in English. Casio fitted it in 4 models, including the DW-8800BJ and DW-8800MJ — the full list is below. Casio's spec sheet lists one CR2016, with 1.5 years of battery life and accuracy within ±15 seconds a month; the module first shipped in Nov 1997.