Casio G-1010 / G-1010D Manual — Module 5057

One owner's manual PDF for the Casio module 5057 in English. Casio fitted it in 4 models, including the G-1010 and G-1010D — the full list is below. Casio's spec sheet lists one SR927W, with 2 years of battery life and accuracy within ±20 seconds a month; the module first shipped in Sep 2008.