Ready, Set, Dive. An iconic name with a reinvented construction, the ISO compliant CITIZEN¨ PROMASTER Aqualand with maximum depth memory, rapid ascent alarm, auto start dive mode, power reserve indicator and date is water resistant up to 200 metres. You won't want anything else when headed to the ocean. The stainless steel case compliments the ocean blue polyurethane strap and blue dial with red and blue bezel. Featuring our Eco-Drive technology Ð powered by light, any light. Never needs a battery.