Casio Edifice x ECB-S10 Series ft. Lightweight Sports Men Formal Hexagon 100m Water Resistant Watch ECB-S10D-8A ECBS10D ECBS10 ECB-S10 ECB-S10D Discover the Casio Edifice ECB-S10 series, where sleek motorsport character meets refined modern design. Its ultra-slim 9.6mm case, textured metal exterior and flat octagonal bezel create a sharp, sporty silhouette, while the minimalist analog-digital dial features engraved horizontal lines and a vivid accent hand. A sophisticated chronograph built for business, travel and everyday style. 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 stainless steel band (three-fold clasp with push-button release) 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 Sports 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