Citizen Promaster x Eco-Drive ft. Navihawk aka Radio-Controlled (Limited Edition of 2,800 Pieces) Men Formal Round 200m Water Resistant Watch AT8220-55W AT8220 AT-8220 Experience the northern lights on your wrist with the limited edition Citizen Promaster Navihawk AT8220-55W. This aviation-inspired watch features a unique, color-shifting blue-green dial, solar-powered Eco-Drive movement, and radio-controlled atomic timekeeping for ultimate accuracy across 26 time zones. Caliber Number / Movement H804 (Eco-Drive aka solar powered) Power Reserve / Accuracy Approximately 6 months when fully charged (+/-15 seconds per month without reception) Crystal Sapphire crystal Luminous Luminous on hands and indexes Case / Band Material Stainless steel case with stainless steel band (three-fold clasp with push-button release) Water Resistance 200m / 20 bar Case Size Thickness: 13.4 mm Diameter: 48.0 mm Length: 51.2 mm Lug width: 22.0 mm Other Specifications Citizen Promaster x Eco-Drive ft. Navihawk aka Radio-Controlled (Limited Edition of 2,800 Pieces) Bidirectional rotating compass bezel Daylight saving time (automatic / manual switching) World time function (26 cities) Perpetual calendar (to 28 February 2100) Chronograph up to 60 minutes in 1/20-second increment Power reserve indicator Overcharge prevention function Insufficient charge warning function Power saving function (hands stop to save power when left in the dark) Automatic hand position alignment function Day, date and 24-hour display Regular timekeeping (analog display) Global Radio-Controlled Function Receiving time signal (automatic, on demand, auto recovery) Signal stations: Japan (East/West) / USA / Germany / China Automatic signal station selection function (for Japan standard signals only) Confirming reception status (RX) Indicating the result of last reception (OK/NO) Enhanced Features and Functions Calculator function (simple multiplication, division and ratio) Conversion (distance, volume and weight) Motor sports function (time needed, speed, driving distance, fuel consumption/rate, drive time) Aviation function (time needed, flight distance, fuel consumption/rate, flight time)
