Case size (L× W× H) 51.3 × 46.3 × 12.4 mm Weight 171 g Case and bezel material Stainless steel Band Stainless Steel Band Solid Band One-touch 3-fold Clasp Construction Shock Resistant Water resistance 200-meter water resistance Time adjustment Bluetooth: Connects to a smartphone and automatically adjusts the time Power supply and battery life Tough Solar (Solar powered) Smartphone Link feature Mobile link (Wireless linking using Bluetooth®) Apps CASIO WATCHES App connectivity feature Auto time adjustment Easy watch setting Approximately 300 world time cities Time & place Phone finder Glass Mineral Glass Crown Screw Lock Crown Compatible band size 150 to 205 mm Other Neobrite World time Dual time (Home City time swapping) Stopwatch 1-second stopwatch Measuring capacity: 23:59'59. Measuring modes: Elapsed time, split time Timer Countdown timer Measuring unit: 1 second Countdown range: 24 hours Countdown start time setting range: 1 minute to 24 hours (1-minute increments and 1-hour increments) Alarm/hourly time signal Daily alarm Light LED light (Super Illuminator) Afterglow Light color LED:White Calendar Full auto-calendar (to year 2099) Energy saving feature Power Saving (hands stop to save power when the watch is left in the dark) Battery display/alert Battery level indicator Run time Approx. battery operating time: 5 months on rechargeable battery (operation period with normal use without exposure to light after charge) 18 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge) Accuracy Accuracy: ±15 seconds per month (with no mobile link function) Other features Regular timekeeping: Analog: 3 hands (hour, minute (hand moves every 10 seconds), second), 3 dials (mode and battery, dual time/stopwatch/countdown timer/alarm hour and minute, day) Day indicator Regular timekeeping: Analog: 3 hands (hour, minute (hand moves every 10 seconds), second), 3 dials (dual time hour and minute, dual time 24-hour, day)