CASIO 

GM-2100B-3AER

G-Shock Quartz Green Watch for Men

Basic Information: 

• Case size (L× W× H)
• 49.3 × 44.4 × 11.8 mm
• Weight
• 72 g
• Case and bezel material
• Case / bezel material: Resin / Stainless steel
• Band
• Resin Band
• Construction
• Shock Resistant
• Water resistance
• 200-meter water resistance
• Power supply and battery life
• Approx. battery life: 3 years on SR726W X 2

Exterior:

• Glass
• Mineral Glass
• Other
• Neobrite

Watch Features:

• World time
• World time
• 31 time zones (48 cities + coordinated universal time), daylight saving on/off
• Stopwatch
• 1/100-second stopwatch
• Measuring capacity:
• 00'00''00~59'59''99 (for the first 60 minutes)
• 1:00'00~23:59'59 (after 60 minutes)
• Measuring unit:
• 1/100 second (for the first 60 minutes)
• 1 second (after 60 minutes)
• Measuring modes: Elapsed time, split time, 1st-2nd place times
• Timer
• Countdown timer
• Measuring unit: 1 second
• Countdown range: 24 hours
• Countdown start time setting range: 1 second to 24 hours (1-second increments, 1-minute increments and 1-hour increments)
• Alarm/hourly time signal
• 5 daily alarms
• Hourly time signal
• Light
• Double LED light
• LED light for the face (Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow)
• LED backlight for the digital display (Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow)
• Light color
• LED:White
• Calendar
• Full auto-calendar (to year 2099)
• Mute feature
• Button operation tone on/off
• Accuracy
• Accuracy: ±15 seconds per month
• Other features
• 12/24-hour format
• Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents.)
• Regular timekeeping:
• Analog: 2 hands (hour, minute (hand moves every 20 seconds)), 1 dial (day)
• Digital: Hour, minute, second, pm, month, date