Citizen Promaster x Eco-Drive ft. Air Navihawk aka Blue Angels (Special Edition) Men Formal Round 200m Water Resistant Watch CA4667-53L CA4667 CA-4667Honor aviation excellence with the Citizen Blue Angels Promaster Air Navihawk - a special-edition chronograph inspired by the Navy elite squadron. Features a 40mm stainless steel case, blue ion-plated slide-rule bezel, and sapphire crystal. Powered by Eco-Drive technology with 200m water resistance and Blue Angels insignia. Precision meets bold style.Caliber Number / MovementB620 (Eco-Drive aka solar powered)Power Reserve / AccuracyApproximately 9 months when fully charged (+/-15 seconds per month)CrystalSapphire crystalLuminousLuminous on hands and indexesCase / Band MaterialStainless steel case with stainless steel band (three-fold clasp with push-button release)Water Resistance200m / 20 barCase SizeThickness: 14.0 mmDiameter: 40.0 mmLength: 44.6 mmLug width: 20.0 mmOther SpecificationsCitizen Promaster x Eco-Drive ft. Air Navihawk aka Blue Angels (Special Edition)Bidirectional rotating bezel (slide rule)Screw case backChronograph up to 60 minutes in 1/5-second incrementOvercharge prevention functionInsufficient charge warning functionDate and 24-hour displayEquipped with small second handRegular timekeeping (analog display)Enhanced Features and FunctionsCalculator function (simple multiplication, division and ratio)Conversion (distance, volume and weight)