Ready, Set, Dive. An iconic name with a reinvented construction, the ISO compliant CITIZEN¨ PROMASTER Aqualand watch 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. Stainless steel case and bracelet compliment the black dial with bright orange bezel. Featuring our Eco-Drive technology Ð powered by light, any light. Never needs a battery.