Ready, Set, Dive. An iconic name with a reinvented construction, the Citizen Promaster Aqualand ISO compliant watch with maximum depth memory,... rapid ascent alarm, auto start dive mode and power reserve indicator with divers 200M, you won''t want anything else when headed to the ocean. Stainless steel case compliment the ocean blue polyurethane strap and blue dial with blue and red bezel. Featuring our Eco-Drive technology – powered by light, any light. Never needs a battery. Caliber number J250._Model BN2038-01L 3/26/2019 Movement Technology J250 Eco-Drive Powered by any light source, continuously and sustainably, eliminating the need to replace watch batteries. Case Width (mm) 46 Lug Width (mm) 21.55_Band Type Strap Polyurethane Case Material Silver-Tone Stainless Steel Promaster Crown Crystal Mineral Crystal Impact and shatter resistant Clasp Buckle Dial Blue Luminous Hands and Markers Water-Resistance 200M/20Bar [Scuba Diving]_Depth Display to 70 Meters Maximum Depth Memory Rapid Ascent Alarm Auto-Start Dive Mode Power Reserve Indicator Date