Casio G-shock GR-B300-1A4 Gravity Master Analog Rubber Strap Bluetooth Solar Watch For Men

Case size (L× W× H): 59 × 54.7 × 15.7 mm Weight: 71 g Case and bezel material Carbon / Bio-based resin Bio-based resin band Shock Resistant Carbon Core Guard structure 200-meter water resistance Time adjustment Bluetooth: Connects to a smartphone and automatically adjusts the time 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 Flight log Phone finder Mineral Glass Crown Screw Lock Crown Compatible band size: 145 to 215 mm Neobrite World time Dual time (Home City time swapping) 1-second stopwatch Measuring capacity: 23:59'59. Measuring modes: Elapsed time, split time 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) Daily alarm LED light (Super Illuminator) Afterglow Light color LED:White 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: ±15 seconds per month (with no mobile link function) Other features Date display 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)