Casio G-2600 / G-2600V Manual — Module 2248

Three owner's manual PDFs for the Casio module 2248, each a different scan (English included). Casio fitted it in the G-2600, G-2600V, and G-2600Y. Casio's spec sheet lists one MCR2016, with 36 months of battery life and accuracy within ±30 seconds a month; the module first shipped in Jan 2001.