Casio RL-302D / EF-328D Manual — Module 3745

One owner's manual PDF for the Casio module 3745 in English. Casio fitted it in the RL-302D, EF-328D, and EF-329D. Casio's spec sheet lists one SR621SW, with 3 years of battery life and accuracy within ±20 seconds a month; the module first shipped in Oct 2004.