Based on the successful analog/digtial GA100 X-large G series, G-Shock introduces an all digital version line-up. Black resin band digital watch with black face.

• Gshock GD-100GB in Black 
• Shock Resistant
• 200M Water Resistant
• Anti-Magnetic Structure
• 1/1000th Second Stopwatch w/Speed Indicator

TECHNICAL SPECIFICATIONS

• Hourly Time Signal
• Auto-Calendar (pre-programmed until the year 2099)
• Daily Alarm 4 daily and 1 snooze alarm
• Module 5081
• Approx. Battery Life 2 years
• Battery CR1220
• Countdown Timer
• Shock Resist
• Backlight Auto LED light with afterglow
• Water Resistant up to 200M
• 12/24-Hour Formats
• Accuracy +/- 15 seconds per month
• Magnetic Resistant
• World Time 29 times zones (48 cities + UTC)
• Stopwatch 1/1000 Second

About G-Shock :
G-Shock is the ultimate tough watch. It was born from a developer's dream of "creating a watch that never breaks." Guided by a "Triple 10" development concept, the design teams sought a watch with 10-meter free-fall endurance, 10-bar water resistance and a 10-year battery life.

Brand Website: G Shock