Casio Edifice x ECB-S10 Series ft. Smartphone Link Men Formal Hexagon 100m Water Resistant Watch ECB-S10D-2A ECBS10D ECBS10 ECB-S10 ECB-S10DDiscover a slim, sporty analog-digital watch that merges functionality with style, perfect for both work and leisure. At under 10 mm, it provides lightweight comfort and Bluetooth connectivity for accurate timekeeping and world time management. Features like automatic local time updates and an intuitive app for alarms streamline international travel. The super illuminator enhances visibility, while the sapphire crystal ensures durability and clarity, making this chronograph a reliable choice for those seeking excellence.Module / Movement5734 (quartz)Battery Life / AccuracyApproximately 2 years (+/-15 seconds per month without mobile link function)CrystalSapphire crystalLuminous / LightLuminous on handsDouble LED light (super illuminator, selectable illumination duration, afterglow)Case / Band MaterialStainless steel case with stainless steel band (three-fold clasp with push-button release)Water Resistance100m / 10 barCase SizeThickness: 9.6 mmDiameter: 43.0 mmLength: 48.1 mmOther SpecificationsCasio Edifice x ECB-S10 Series ft. Smartphone LinkMobile link (wireless linking via Bluetooth)Auto time adjustment (easy watch setting, approximately 300 world time cities)Stopwatch data transfer (time and place, phone finder)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 alarmsHourly time signalFull auto-calendar (to year 2099)Button operation tone on/off12/24-hour formatDay 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 content)Regular timekeeping (analog-digital display)