How to set time and stopwatch on Casio Edifice EFR-547. TrendWatchLab. - YouTube
Edifice EF-547 User Manual / Casio Module 2328
How To Change Battery a Casio Edifice EFR-547 Chronograph Watch | SolimBD | DIY | Video shows how to replace a battery on a Caaio Edifice Watch, process is very simple, but