G-Shock GBX100TT-2 Watch. Ride the waves of yesterday, catch the swells of today in a time-traveling G-LIDE. GBX-100 smartphone-linked timepieces travel between today’s colorful surfing palette and nostalgic monochrome inspired by black-and-white photos of surfing in days gone by. Just set the dedicated smartphone app to any of 3,300 surf spots around the world to check tide patterns and daylight conditions right where you are. The wide watch face with high-resolution Memory in Pixel (MIP) LCD provides clear readings of tide graphs, moon age, high/low tide times and levels, and sunrise/sunset times — all at a glance.

Case size: 50.9 x 46 x 14.7mm. Weight: 66g. Resin case. Stainless steel bezel. Resin band. 200-meter water resistance. Approximate battery life: 2 years on CR2032. Mobile link (Wireless linking using Bluetooth®). 38 time zones. Moon data. Tide graph (tide level for specific date and time). Sunrise, sunset time display. 1-second stopwatch. Measuring capacity: 99:59'59". Countdown timer. 4 daily alarms with snooze. LED backlight. Full auto-calendar (to year 2099). 12/24-hour format. Accuracy: +/- 15 seconds per month (with no mobile link function). Imported.