GShock ANALOG-DIGITAL GAS-100 Series GAS100B-7A

From G-SHOCK, the watch brand that is constantly setting new standards for timekeeping toughness, come new basic color models using on big case, Tough Solar GAS-100 as the base. A large, rugged case combines with an aluminum bezel and basic coloring. The bezel of the GAS-100B-7A2DR is a popular blue hue that adds a sporty accent to the overall design. • Tough Solar • Hand shift feature • Double LED Light (Super Illuminator with Full Auto Light)

Basic Information 

• Case size (L× W× H) 55.1 × 52.5 × 16.7 mm
• Weight 72 g
• Case and bezel material Case / bezel material: Resin / Aluminum
• Band Resin Band
• Construction Shock Resistant,
• Water resistance 200-meter water resistance
• Power supply and battery life: Tough Solar (Solar powered)

 Exterior

• Glass Mineral Glass

Watch Features

• World time 
• 31 time zones (48 cities + coordinated universal time), daylight saving on/off, Home city/World time city swapping

 Stopwatch

• 1/100-second stopwatch
•  Measuring capacity:59'59.99''
• Measuring modes:  Elapsed time, split time, 1st-2nd place times

 Timer

• Countdown timer
• Measuring unit: 1 second
• Countdown range: 100 minutes
• Countdown start time setting range:  1 second to 100 minutes (1-second increments, 1-minute increments)

 Alarm/hourly time signal

• 5 daily alarms
• Hourly time signal

 Light

• Double LED light
• LED light for the face (Full auto LED light, Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow)
• LED backlight for the digital display (Full auto LED light, 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

Energy saving feature

• Power Saving (display goes blank to save power when the watch is left in the dark)

Battery display/alert

• Battery level indicator

Run time

• Approx. battery operating time:
• 8 months on rechargeable battery (operation period with normal use without exposure to light after charge) 19 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge)

 Accuracy

• Accuracy: ±15 seconds per month

 Other features

• Hand shift feature  (Hands move out of the way to provide an unobstructed view of digital display contents.)
• 12/24-hour format
• Regular timekeeping: Analog: 2 hands (hour, minute)
• Digital: Hour, minute, second, pm, month, date, day