Citizen Men's Watch - Promaster Marine Series, Solar-Powered Eco-Drive Professional Diver 300m, BN1024-01ZProduct Highlights p> Featuring a 300m water resistance with a helium escape valve on the 2 o'clock side of the case to prevent damage and protect divers. The first diver's model to be equipped with Cal. E365, ensuring a year long operation from a full charge even in the depths where light cannot reach. The design of the BN015 series is continued with the inclusion of a stainless steel rotating bezel that exudes depth and power, now upgraded to a user