Casio G-Shock GA-2100SR-1A

Specifications

• Case / bezel material: Carbon / Resin　
• Resin Band
• Shock Resistant
• Carbon Core Guard structure
• Mineral Glass
• Quartz Movement
• 200-meter water resistance
• 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)
• 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
• 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) Other: Auto-repeat
• Multi-function alarm
• Hourly time signal
• World time 31 time zones (48 cities + coordinated universal time), daylight saving on/off
• Full auto-calendar (to year 2099)
• 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
• Accuracy: ±15 seconds per month
• Approx. battery life: 3 years on SR726W X 2

Size of case / Total weight

• Size of case : 48.5 × 45.4 × 11.8mm
• Total weight : 51g