Casio MRG-130T / AW-510A Manual — Module 1760

One owner's manual PDF for the Casio module 1760 in English. Casio fitted it in 7 models, including the MRG-130T and AW-510A — the full list is below. Casio's spec sheet lists one SR920W and a SR621W (for EL) backup cell, with 2 years of battery life and accuracy within ±20 seconds a month; the module first shipped in Jul 1998.