Casio Edifice x Ultra Slim Series ft. Smartphone Link Men Casual Formal Round 100m Water Resistant Watch EQB-1000XD-1A EQB1000XD EQB1000 EQB-1000 EQB-1000XD Experience the ultimate in timekeeping with this sleek, high-spec chronograph featuring phone linking capabilities, Bluetooth connectivity, and advanced solar power. Stay on top of time zones with Dual Dial World Time and access 300 cities worldwide. Record lap times and track progress with precision. Battery Life / Accuracy Tough solar (5 months without exposure to light) (+/-15 seconds per month) Crystal Sapphire crystal (anti-reflective coating) Luminous Luminous on hands and indexes Case & Band Material Stainless steel case with metal band (three-fold clasp with push-button release) Water Resistance 100m / 10 bar Case Size Thickness: 8.9 mm Diameter: 45.6 mm Length: 49.9 mm Other Specifications Casio Edifice x Ultra Slim Series ft. Smartphone Link Mobile link (wireless linking via Bluetooth) Dual time (home city time swapping) Chronograph up to 24 hours in 1-second increment Daily alarm Full auto-calendar (to year 2099) Power saving (hands stop to save power when left in the dark) Day, date, dual time and 24-hour indicator Regular timekeeping (analog display)