Casio Edifice x ECB-900 Series ft. Motorsports Men Casual Formal Round 100m Water Resistant Watch ECB-900MP-1A ECB900MP ECB900 ECB-900 ECB-900MP Experience the thrill of motorsports on your wrist with a high-performance timepiece that combines style, functionality, and advanced technology. Stay ahead of the game with precision timekeeping, Bluetooth connectivity, and innovative features like speed indicator and automatic LED light. Battery Life / Accuracy Tough solar (6 months without exposure to light) (+/-15 seconds per month) Crystal Mineral crystal Luminous / Light Luminous on hands and indexes Double LED light (full auto LED light, super illuminator, selectable illumination duration, afterglow) Case & Band Material Stainless steel case with resin band Water Resistance 100m / 10 bar Case Size Thickness: 13.9 mm Diameter: 48.0 mm Length: 51.5 mm Other Specifications Casio Edifice x ECB-900 Series ft. Motorsports Mobile link (wireless linking via Bluetooth®) World time (39 time zones) 1/1000-second stopwatch Countdown timer Hourly time signal 5 multi-function alarms Full auto-calendar (to year 2099) Button operation tone on/off Power saving (display goes blank and hands stop to save power when left in the dark) Battery level indicator 12/24-hour format Hand shift feature Regular timekeeping (analog-digital display)