Casio GW-300GJ / GW-300J Manual — Module 2609

Two owner's manual PDFs for the Casio module 2609, each a different scan (English included). Casio fitted it in 14 models, including the GW-300GJ and GW-300J — 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 Mar 2003.