Casio G-Shock x G-SQUAD ft. Ultimate Bold Men Casual Sports Round 200m Water Resistant Watch GBA-900RD-4A GBA900RD GBA900 GBA-900 GBA-900RD Unlock peak performance with a vibrant red G-SHOCK designed to fuel your fitness journey. Seamlessly connect with your smartphone for precise GPS tracking, monitoring every aspect of your workout, from distance to calories burned, without compromising on style. Battery Life / Accuracy Approximately 2 years (+/-15 seconds per month) Crystal Mineral crystal Light Double LED light (auto light, super illuminator, selectable illumination duration, afterglow) Case & Band Material Resin case with resin band Water Resistance 200m / 20 bar Case Size Thickness: 16.6 mm Diameter: 48.9 mm Length: 51.3 mm Other Specifications Casio G-Shock x G-SQUAD ft. Ultimate Bold Shock resistant Mobile link (auto connection, wireless linking via Bluetooth) Dual time (home time swapping) 1/100-second stopwatch Countdown timer 5 daily alarms Hourly time signal Full auto-calendar (to year 2099) Button operation tone on/off Power saving Low battery alert 12/24-hour format Hand shift feature Airplane mode Regular timekeeping (analog-digital display) User profile creation Lifelog calculation function (calorie and distance calculations based on step count)