Inspire healthy new habits when you wear this men's casio g-shock solar-powered digital watch in black resin. The square dial features a digital display with an mip display and a super led light. Features include heart rate monitor, step tracker, alarm, day/date, perpetual calendar and world time. Connects to your smart phone via bluetoothâ® technology for more features 45. 0mm black resin case with mineral crystal digital movement keeps accurate time. Solar power and usb charging power the timepiece. The black resin strap secures with a buckle clasp. Water resistant to 200 meters, this watch includes a 1-year limited manufacturer warranty. We are an authorized casio dealer.