Casio G-Shock Men's G-Steel Bluetooth Tough Solar Gold Tone Pushers Black Watch GST-B300B-1A

Case / bezel material: Resin / Stainless steel Resin Band Gold IP Button, Screw & Buckle Mineral Glass Neobrite Shock Resistant Carbon Core Guard structure 200-meter water resistance 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) Tough Solar (Solar powered) Mobile link (Wireless linking using Bluetooth®) 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. 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 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) 5 multi-function alarms (with daily, 1 time, schedule) Hourly time signal Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents.) Battery level indicator Full auto-calendar (to the year 2099) 12/24-hour format Button operation tone on/off Power Saving (display goes blank and hands stop to save power when the watch is left in the dark) Regular timekeeping Analog: 3 hands (hour, minute (hand moves every 10 seconds), second), Digital: Hour, minute, second, pm, month, date, day Accuracy: ±15 seconds per month (with no mobile link function) 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) Module: 5631 Size of case: 51×50×15.5mm Total weight: 82g