Casio WVQ-550DE / WVQ-550LE Manual — Module 4723

One owner's manual PDF for the Casio module 4723 in English. Casio fitted it in 4 models, including the WVQ-550DE and WVQ-550LE — the full list is below. Casio's spec sheet lists one CR1616, with 2 years of battery life and accuracy within ±20 seconds a month; the module first shipped in Aug 2006.