Casio DW-003 / GT-003 Manual — Module 1699

Three owner's manual PDFs for the Casio module 1699, each a different scan (English included). Casio fitted it in the DW-003 and GT-003. Casio's spec sheet lists one CR2016, with 1.5 years of battery life and accuracy within ±15 seconds a month; the module first shipped in Nov 1997.