The Casio G-Shock G-Steel GST-B100D-1AER is a hybrid watch for men. When you connect the watch to your smartphone via Bluetooth, you can easily find your smartphone with an audio signal that's activated with 1 push of a button. Besides telling the time and date, the watch also displays 29 different time zones, and has a stopwatch and alarm function. On top of that, solar cells in the watch provide an environmentally-friendly and independent power supply. The watch is shockproof and waterproof up to 20 bars.