Casio MTG-930DA / GW-330A Manual — Module 2688

One owner's manual PDF for the Casio module 2688 in English. Casio fitted it in 5 models, including the MTG-930DA and GW-330A — the full list is below. Casio's spec sheet lists one CTL1616, with 6 months of battery life and accuracy within ±15 seconds a month; the module first shipped in Sep 2003.