Casio MTP-B145D / MTP-B145DC Manual — Module 4393

Three owner's manual PDFs for the Casio module 4393, each a different scan (English included). Casio fitted it in the MTP-B145D and MTP-B145DC. Casio's spec sheet lists two SR621SW cells, with 3 years of battery life and accuracy within ±20 seconds a month; the module first shipped in Jun 2007.