Casio DW-9500HH / DW-9500RL Manual — Module 1940

One owner's manual PDF for the Casio module 1940 in English. Casio fitted it in 4 models, including the DW-9500HH and DW-9500RL — the full list is below. Casio's spec sheet lists one CR2016, with 18 months of battery life and accuracy within ±15 seconds a month; the module first shipped in Dec 1998.