Replaced the 394 module in my vintage MD-700 to bring it back to life. A bit small by modern standards, but a common men's size in the past. : r/ casio
HOROLOGY CRAZY: Casio MD-703
1980s Casio MD-708 Mod 394 Dual Divers/Compass Bezel 43mm Gents Wrist Watch, Case no. 120788, made in Japan – Long's Fine Watches