TRIPLE G RESIST durability G-SHOCK Smartphone Link Bluetooth® communication function MULTIBAND 6 Phone linking Auto time adjustment (four times a day), World Time for approximately 300 cities, auto time zone and summer time rule updating Watch status indicators (number of time corrections, solar power generation amount, time zone/summer time rule update) User warnings (low charge , battery check, possible magnetism exposure) Alarm/timer settings, phone finder, battery level MULTIBAND 6 (Automatically adjusts time settings based on reception of one of six time calibration signals around the globe: Japan (2), China, United States, England, Germany.) Tough Solar Dual dial world time (Simultaneous indication of current times in two different locations.) Stopwatch Countdown timer Alarm Super Illuminator Case / bezel material: Resin / Stainless steel Solid Band One-touch 3-fold Clasp Layered Composite Band Sapphire Glass with non-reflective coating Screw Lock Crown Neobrite TRIPLE G RESIST (Shock resistant, Centrifugal force resistant, Vibration resistant) Spherical Glass Black IP Black ion plated case Black ion plated band 200-meter water resistance