Casio DW-9500RX / DW-9550BN Manual — Module 1919

One owner's manual PDF for the Casio module 1919 in English. Casio fitted it in 9 models, including the DW-9500RX and DW-9550BN — 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 Aug 1998.