Casio GB-5600B G-Shock Wristwatch Bluetooth Vibe Alarm | eBay
Casio G-Shock GD350-1C Black 200m WR, World Time Vibe Alarm Chronograph Working | eBay
W735H-1AV | Black Digital Watch | CASIO
Casio ldf-12] was searching for a vibration alarm watch, and most were too chunky for me (Gshock sized) but fortunately cane across this interesting piece...pretty unusual in many ways : r/casio