VINTAGE UNISEX CASIO MD-501 mod. 394 rare diver model all original £161.62 - PicClick UK
Reloj cronógrafo casio quartz 552779 japan d - Sold through Direct Sale - 194535491
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-703-1AV
Casio Quartz Day Date MQ-514 Module: 394 Junk Not Working for Parts @ for Sale - Celebrity Cars Blog