Custom CASIO W-96H (3239) 50M Water Resist Classic 35mm Wristwatch - New Battery | eBay
CASIO 3239 W-96H Digital Men's Watch Alarm Chronograph Runs Black Silver Color $29.99 - PicClick
Operation Guide 3239/3240: About This Manual | PDF | Backlight
Casio W96H 3239 Alarm Set - YouTube
Sergei Frolov on X: "If you own the CASIO watch 3239 module (W-96H), you can add some handy features (plus 4 daily alarms and coundown timer) by removing or adding jumpers on