Ready, Set, Dive. CITIZEN® Promaster Aqualand 200 Depth Meter watch with 70M depth display, ISO compliant, 8h pusher maximum depth and 10h pusher reset, power reserve indicator and auto start dive mode you won't want anything else when headed to the ocean. Stainless steel case compliment the black polyurethane strap and black dial. Good Design as awarded by The Chicago Athenaeum: Museum of Architecture and Design. Featuring our Eco-Drive technology – powered by light, any light. Never needs a battery. Caliber number J250.