Casio G-Shock x GBX-100 ft. G-LIDE aka Summer Surf Men Sports Hexagon 200m Water Resistant Watch GBX-100S-2D GBX100S GBX100 GBX-100 GBX-100S Ride the waves with the G-Shock G-LIDE, the ultimate surf watch! Featuring a wave-inspired stainless steel & translucent resin bezel, eco-friendly bio-based band, and smartphone link for 3,300+ global tide data. With MIP LCD for crystal-clear tide graphs and sunrise/sunset times, it is built for surfers who demand toughness, style, and sustainability. Module / Movement 3482 (quartz) Battery Life / Accuracy Approximately 2 years (+/-15 seconds per month) Crystal Mineral crystal Light LED backlight (super illuminator, auto light switch, selectable illumination duration, afterglow) Case / Band Material Resin / stainless steel case with bio-based resin band Water Resistance 200m / 20 bar Case Size Thickness: 14.7 mm Diameter: 46.0 mm Length: 50.9 mm Lug width: Integrated Other Specifications Casio G-Shock x GBX-100 ft. G-LIDE aka Summer Surf Shock resistant Training function (distance, speed, pace and other calculated values based on accelerometer) Mobile link (wireless linking via Bluetooth) Auto time adjustment (approximately 300 world time cities) Easy watch setting (time and place) Reminder and phone finder World time (38 time zones, daylight saving on/off, auto summer time switching) Moon data (moon age of the specific date) Tide graph (tide level for specific date and time) Sunrise, sunset time display 1-second stopwatch (up to 100 minutes, elapsed time, split time) 1-second countdown timer (up to 60 minutes, auto-repeat) 4 daily alarms with snooze Full auto-calendar (to year 2099) Button operation tone on/off Power saving (display goes blank to save power 3 hours everyday) 12/24-hour format Flight mode User profile creation Vibration on/off Life log data (daily step count, monthly running distance display) Training data (up to 100 runs, up to 140 laps per run) Elapsed time, distance, pace, calories burned Regular timekeeping (digital display)