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: Resin Resin Band Shock Resistant Mineral Glass 200-meter water resistance LED backlight (Super Illuminator) Afterglow LED:White 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 Full auto-calendar (to year 2099) 12/24-hour format Flash alert Flashes with buzzer that sounds for alarms, hourly time signals, countdown timer time up alarm Regular timekeeping: Hour, minute, second, pm, month, date, day Accuracy: Çï¶Ï15 seconds per month Approx. battery life: 5 years on CR2016 Size of case : 53.2 _ 50 _ 18.7 mm Total weight : 72 g