CASIO G-Shock Bluetooth Solar Black Rubber Chronograph

With Bluetooth® connectivity and a solar charging system, the new GA-B2100 shock-resistant watches take the iconic 2100 series to a whole other level. The Tough Solar charging system effectively converts light from any light source to power the watch, eliminating the need to replace the battery, and Smartphone pairing via Bluetooth® delivers accurate timekeeping. Combining the Carbon Core Guard structure, which protects the module and provides both shock resistance and a compact case, with G-SHOCK classic colours first used in the G-SHOCK 5600 models enables you to wear the latest, and the greatest G-SHOCK has to offer. GA-B2100-1AER has classic black styling with a white LCD.

Accuracy     +/- 15 seconds per month
Alarm Function     5 Daily Alarms: Each will sound every day at the time you set, Hourly time signal: The watch beeps every hour on the hour
Auto Calendar     Once set, the automatic calendar always displays the correct date
Band Material     Resin
Battery Level Indicator     An indicator shows the current battery charge level
Battery Life     Approximately 18 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge)
Bluetooth® Connectivity     Phone Finder: Pressing a button on the watch will emit an audible tone from your phone, even in silent mode., Signal Range: Up to 2m (may differ depending on surrounding conditions)
Core Guard Structure     New Carbon Core Guard Structure
Countdown Timer Function     Countdown Range: 60 minutes, Measuring Unit: 1 second
Customisable Date Format     YY/MM/DD - DD/MM/YY - MM-DD-YY
Date and Weekday Display     The current date and week day are displayed on the watch face
Date Display     The current date is displayed on the watch face
Hand Shift Function     With a push of a button, hands move away from the LCD to permit free visibility.
Display Illumination     Dual Illuminator: Separate illumination of the analogue and digital components ensures optimum readability in low light conditions., LED light, Selectable illumination duration (1.5 seconds or 3 seconds), With afterglow
Mineral Glass     Mineral Glass- Toughened and able to withstand most scratches
Multi Language Display     Select from a number of different languages
Mute Function     Function that enables the watch to use silent mode, and therefore emit no sound
Neobrite     The hands and sometimes the markers have a luminescent coating to glow in the dark
Shock Resistant     Patented Hollow Core Guard Structure protects against impact and vibration
Solar Power     Powered by any light source, saving time and money as no battery change required- known as TOUGH SOLAR
Stopwatch Function     Measuring Capacity: 24 hours, Measuring Modes: Elapsed time, lap time, split time, Measuring Unit: 1/100 second (for the first 60 minutes) 1 second (after 60 minutes)
World Time     CASIO WATCH+ World Time lets you select from among approximately 300 cities as the World Time City, Displays the current time in major cities and specific areas around the world

Update: Smartwatch watches have no right to change or return once the package has been unsealed.