The Case:This Casio G-Shock G-Steel GST-B200-1AER 49mm provides absolute toughness to your wrist. Crafted from resin that incorporates carbon fibre, which that despite weighing considerably less than steel is 10x stronger than it. It also has a much higher chemical and temperature tolerance. The Carbon Core Guard structure is composed of layers of carbon fibre that are bonded with an epoxy resin, pressed together and moulded into a case structure. A stainless steel bezel sits on top of the case, while on the back of the watch there is a stainless steel screw down case back.The Dial:A ana-digi time display allows you to appreciate both traditional timekeeping and modern timekeeping all on one dial. The digital sub-display is positioned at 12 oclock, it displays the day, date and month. While the analog time is clearly displayed through thick baton style indices and a chunky metallic handset. At the 6 oclock position there is a sub-dial that acts as a chronograph. Dashes of vibrant orange are also present throughout the dial, for example on the G-Shock logo, which can be found besides the 9 oclock mark. Besides the 3 oclock mark there is a battery indicator, which will allow you to track how much battery life your watch has. Finally, the dial can be illuminated by a super bright LED display.The Strap:The black bracelet is made from synthetic resin, it is the ideal material for wrist straps thanks to its extremely durable and flexible properties. It features a carbon fibre pattern that runs around the middle of the strap.It fastens easily using a standard buckle.The Functions:This G-Steel model boasts Bluetooth smart technology, that offers power-saving data transfer at the push of a button. The watch can connect to a smartphone wirelessly via Bluetooth, enabling access to a wide range of useful functions. When connected to a smartphone the time will automatically adjust to whatever time the phone displays. Also, if you were to ever misplace your smartphone all you have to do is press a button your watch and an alarm will begin to sound so that you can locate it. It is powered by solar energy and the battery life will be indicated on the dial. A stopwatch function allows you to measure your times within 1/100 of second of accuracy. 5 Daily alarms can also be set too. It is water resistant to 200 metres, making it suitable for diving.