Casio GL-150 / GL-180D Manual — Module 2463

One owner's manual PDF for the Casio module 2463 in English. Casio fitted it in 9 models, including the GL-150 and GL-180D — the full list is below. Casio's spec sheet lists one CR2016, with 2 years of battery life and accuracy within ±15 seconds a month; the module first shipped in Feb 2002.