Casio Digital Vibration Alarm Illuminator W-735H-8AVDF W-735H-8AV Herrenuhr - Uhrstadt.de
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
Good Vibrations! The $30 Casio W735 - YouTube
CASIO G-Squad GBD-100SM-1A7ER G-Shock , Uhr für Laufsport
MAKE IT VIBRATE - Vibrator Module for Casio F-91W : 6 Steps (with Pictures) - Instructables
Casio G-Shock Classic Black Watch with Vibrating Alarm and World Time