Casio G-Shock G-Squad Mobile Link Quartz 200M Men's Watch GBD-100-1A7DR:

Features:

Resin Case
Resin Strap
Quartz Movement
Mineral Crystal
Digital Display
Mobile Link
LED Backlight
Stopwatch
Shock Resistant
Countdown Timer
4 Daily Alarms
Power Saving
Full Auto Calendar
Day And Date Display
12/24 Hours Display
Screwed Case Back
Buckle Clasp
200M Water Resistance

Approximate Case Diameter: 58mm
Approximate Case Thickness: 17mm