The storm mk2 circuit special edition watch has a modern design and futuristic appeal this best selling watch is made from black brushed stainless steel and features a green led vertical display that indicates the time at the press of a button the lights on the left denote hours and ampm those on the right show the minutes in tens 10 50 and single figures 1 9 waterproof to 50m with easy change battery and date functionr r specificationr r movement ledr battery standard typer case mat