Casio DW-9051 / G-2210 Manual — Module 2278

Three owner's manual PDFs for the Casio module 2278, each a different scan (English included). Casio fitted it in the DW-9051 and G-2210. 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.