Casio G-Shock GA-2100 Lineup Carbon Core Guard Structure Hidden Glow Series Watch GA2100HD-8A GA-2100HD-8A

Unlock your full potential, and bring whatƒ?ª?s hidden to the fore. Introducing the G-SHOCK that glows in the dark.

This line features luminescent parts set against a dark gray base ƒ?ª? a design inspired by the hidden talents we each have, but rarely reveal.

We start with a base of gray to evoke the dark, then add luminescent components and white accents to the face, creating a monochromatic watch with an extra special glow.

Search out a dark space and watch this cool design come to life in glowing luminescence.

• Case / bezel material: Carbon / Bio-based resin
• Bio-based resin band
• Mineral Glass
• Neobrite
• Shock Resistant
• Carbon Core Guard structure
• 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)
• LED:White
• World time
• 31 time zones (48 cities + coordinated universal time), daylight saving on/off
• 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)
• 5 daily alarms
• Hourly time signal
• Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents)
• Full auto-calendar (to year 2099)
• 12/24-hour format
• Button operation tone on/off
• Regular timekeeping:
• Analog: 2 hands (hour, minute (hand moves every 20 seconds)), 1 dial (day)
• Digital: Hour, minute, second, pm, month, date
• Accuracy: Çï¶Ï15 seconds per month
• Approx. battery life: 3 years on SR726W X 2
• Size of case : 48.5 _ 45.4 _ 11.8 mm
• Total weight : 51 g