Go bold, tough and intense with the rugged design of this men's g-shock digital watch by casio. Red dial with easy-to-read display 42. 8mm black bio-based resin and resin case; mineral crystal quartz movement functions include stopwatch, timer, alarm, calendar, flash alert, and led super illuminator black bio-based resin band; buckle clasp water-resistant to 200 met water-resistant to 200 meters we are an authorized casio dealer