Casio G-3210 / G-3300 Manual — Module 2642

One owner's manual PDF for the Casio module 2642 in English. Casio fitted it in 5 models, including the G-3210 and G-3300 — 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 2003.