Case / bezel material: Stainless steel Stainless Steel Band One-touch 3-fold Clasp Mineral Glass 100-meter water resistance Mobile link (Automatic connection, wireless linking using Bluetooth) Apps CASIO WATCHES Auto time adjustment Easy watch setting Approximately 300 world time cities Stopwatch data transfer Schedule timer Phone finder World time 38 time zones (38 cities + coordinated universal time), daylight saving on/off, auto summer time (DST) switching, Home city/World time city swapping 1/1000-second stopwatch Measuring capacity: 00'00''000~59'59''999 (for the first 60 minutes) 1:00'00''0~23:59'59''9 (after 60 minutes) Measuring unit: 1/1000 second (for the first 60 minutes) 1/10 second (after 60 minutes) Measuring modes: Elapsed time, lap time Countdown timer Measuring unit: 1 second Countdown range: 24 hours Countdown start time setting range: 1 second to 24 hours (1-second increments, 1-minute increments and 1-hour increments) 5 daily alarms Hourly time signal Double LED light LED light for the face (Auto LED light, Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow) LED backlight for the digital display (Auto LED light, Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow) LED:White Full auto-calendar (to year 2099) Button operation tone on/off Accuracy: 15 seconds per month (with no mobile link function) Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents.) Airplane mode 12/24-hour format Schedule beeper on/off Date/month display swapping Day display (days of the week selectable in six languages) Regular timekeeping: Analog: 2 hands (hour, minute (hand moves every 20 seconds)), 1 dial (linked to each mode) Digital: Hour, minute, second, pm, month, date, day Approx. battery life: 2 years on CR2016 Case size (L W H) 52.3 48.7 12.9 mm