Casio G-Shock GM6900SCM-1 Skeleton Camouflage Series Limited Edition Digital 

• Approx. battery life 2 years oc CR2016
• Size of case / total weight 49.6 X 43.2 X 12.9 mm / 73g
• Shock resistant
• Electro-luminescent backlight Afterglow
• Flash alert
• Flashes with buzzer that sounds for alarms, hourly time signals
• 1/100-second stopwatch
• Measuring capacity