Casio Mens Sport Alarm Chronograph Watch. Casio Mens Sport Alarm Chronograph Watch> Case width approx: 45mm> Case depth approx: 12mm> Case Material: Plastic and Resin> Strap type: Rubber> Water resistancy: 50m> Clasp type: Strap buckle> Movement: Japanese Quartz (battery)> Chronograph: Yes> Date: Yes> Alarm: Yes> Backlight: Yes