G-Shock G-STEEL GSTB300B-1A Bluetooth® Black/Gold Mens Watch

Introducing the GSTB300B-1A, the latest in the new rugged style of G-STEEL models that feature Carbon Core Guard structure. The new GSTB300s adopt tough G-SHOCK styling with a disk indicator at 6 o’clock that shows the current mode and charge level, and a front button that completes the overall rugged look. The disk, a round graphic digital display between 1 and 2 o'clock, and a digital display as 12 o'clock add to both functionality and looks. The new GSTB300B-1A model comes in a black case and resin band accompanied with striking Gold IP accented button, screws and buckle.   Case size (L× W× H) 51 × 50.3 × 15.3 mm Weight 82 g Case and bezel material Resin / Stainless steel Band Resin Band Construction Shock Resistant Water resistance 200-meter water resistance 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 Phone finder Glass Mineral Glass Surface treatment Black ion plated bezel Other Neobrite World time World time;39 time zones* (39 cities + coordinated universal time), daylight saving on/off, auto summer time (DST) switching, Home city/World time city swapping;*May be updated when connected to a smartphone. Stopwatch 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, split time Timer Countdown timer;Measuring unit: 1/10 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) Alarm/hourly time signal Hourly time signal 5 multi-function alarms (with daily, 1 time, schedule) Light Double LED light;LED light for the face (Full auto LED light, Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow);LED backlight for the digital display (Full auto LED light, Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow) Light color LED:White Calendar Full auto-calendar (to year 2099) Mute feature Button operation tone on/off Energy saving feature Power Saving (display goes blank and 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:;6 months on rechargeable battery (operation period with normal use without exposure to light after charge);19 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 12/24-hour format Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents.) Regular timekeeping: Analog: 3 hands (hour, minute (hand moves every 10 seconds), second) Digital: Hour, minute, second, pm, month, date, day