This week, rescued a W-750 Marlin (gently restored, big scratches polished out of the crystal, tidied up case, proper casio bracelet, fixed module!) beep beep! : r/casio
CASIO W -750 "Marlin", 1983 - YouTube
My grandpa's w760. Don't know much about it. How should I care for it? and needs a deep cleaning. And what would these typically sell for? (don't intend to sell) : r/casio
Very Rare 1980 Vintage CASIO W-750 (248) MARLIN Japan 36mm | eBay