Step back into retro fashion with iconic G-SHOCK models reimagined in vintage colors. We bring classic timepieces back to life with retro color schemes that celebrate sepia, off-white, and gray tones. Choose from the DW-6600 with its front button design or the large, bold case of the GA-100 and GA-400. Case / bezel material: Resin Resin band Mineral Glass Shock Resistant 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 Hourly time signal Multi-function alarm Full auto-calendar (to year 2039) 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: Ç?Çî¶ôǏ15 seconds per month Approx. battery life: 5 years on CR2016 Size of case : 53.2 _ 50 _ 18.7 mm Total weight : 66 g