Citizen Promaster x Navihawk ft. Air Series Men Formal Round 200m Water Resistant Watch CA4664-60W CA4664 CA-4664Explore the Promaster Air Navihawk, an aviation-inspired timepiece with advanced technology and a striking design. Its 40mm silver-tone stainless steel case features sharp faceting and a satin finish, along with a functional slide-rule scale on the bezel. The highly legible dial, protected by sapphire crystal, showcases red, black, and white accents and offers 200m water resistance.Caliber Number / MovementB620 (solar Eco-Drive)Power Reserve / AccuracyApproximately 9 months when fully charged (+/-15 seconds per month)CrystalSapphire crystal (anti-reflective coating)LuminousLuminous on hands and indexesCase / Band MaterialStainless steel case with stainless steel band (three-fold clasp with push-button release)Water Resistance200m / 20 barCase SizeDiameter: 40.0 mmOther SpecificationsCitizen Promaster x Navihawk ft. Air SeriesBidirectional rotating bezel (time, speed, distance calculation and conversions)Screw case backDate and 24-hour displayInsufficient charge warning functionOvercharge prevention functionChronograph up to 60 minutes in 1/5-second incrementEquipped with small second handRegular timekeeping (analog display)