Casio CPW-310 Manual — Modules 1044 / 144

One owner's manual PDF for the Casio module 1044 in English. Casio fitted it in the CPW-310. The same document also covers module 144. For module 1044, Casio's spec sheet lists one SR927W, with 2 years of battery life and accuracy within ±15 seconds a month; the module first shipped in Mar 1994.