From casio, this men's g-shock classic black watch with light blue accents holds all the tough and practical details you enjoy in a sleek look. The black dial features light blue hands and markers, a two-tier digital display, led backlight with afterglow and light teal blue accents. Functions includes day/date, alarm and hourly time signal, perpetual calendar and world time. 48. 5 x 45. 4 x 11. 8mm octagonal black resin and carbon core guard structure case with mineral crystal japanese quartz and digital movement keep accurate time. The black resin strap secures with a buckle clasp. Water-resistant to 200 meters, this watch includes a 1-year limited manufacturer's warranty. We are an authorized casio dealer.