Casio DW-8000 / DW-8030 Manual — Module 1180

One owner's manual PDF for the Casio module 1180 in English. Casio fitted it in 4 models, including the DW-8000 and DW-8030 — the full list is below. Casio's spec sheet lists one CR2016, with 2 years of battery life and accuracy within ±15 seconds a month; the module first shipped in May 1995.