Casio Edifice x ECB-S10 Series ft. Lightweight aka NISMO Heritage (Limited Edition) Men Formal Hexagon 100m Water Resistant Watch ECB-S10NIS-7A ECBS10NIS ECBS10 ECB-S10 ECB-S10NIS Experience the limited-edition Edifice x NISMO collaboration timepiece, featuring iconic racing heritage with a vivid tricolor dial, original NISMO logo, and Bluetooth smartphone connectivity. With sapphire crystal, 100m water resistance, and championship tributes, this watch honors motorsport legacy with cutting-edge precision. Module / Movement 5734 (quartz) Battery Life / Accuracy Approximately 2 years (+/-15 seconds per month without mobile link function) Crystal Sapphire crystal Light Double LED light (super illuminator, selectable illumination duration, afterglow) Case / Band Material Stainless steel case with leather band Water Resistance 100m / 10 bar Case Size Thickness: 9.6 mm Diameter: 43.0 mm Length: 48.1 mm Lug width: Integrated Other Specifications Casio Edifice x ECB-S10 Series ft. Lightweight aka NISMO Heritage (Limited Edition) World time (38 time zones, auto summer time switching, home/world time city swapping) 1/100-second stopwatch (up to 24 hours, elapsed time, split time) 1-second countdown timer (up to 24 hours) 5 daily alarms Hourly time signal Full auto-calendar (to year 2099) Button operation tone on/off 12/24-hour format Day display (days of the week selectable in six languages) Hand shift feature (hands move out of the way to provide an unobstructed view of digital display contents) Regular timekeeping (analog-digital display) Smartphone Link / App Connectivity Features Mobile link (wireless linking via Bluetooth) Auto time adjustment Easy watch setting Approximately 300 world time cities Time and place Phone finder