The Citizen Promaster Sky is a sophisticated timepiece that combines advanced technology with elegant design. Featuring a 48mm stainless steel case and bracelet, this watch showcases a striking blue dial protected by a sapphire crystal. Its Eco-Drive movement harnesses light to eliminate the need for battery replacements. Notable functions include global radio-controlled timekeeping, a perpetual calendar, world time across 45 cities, a 1/100-second chronograph, dual alarms, and a 99-minute count

Time to buckle up: The updated Citizen Promaster SST (Split Second Timer) deconstructs the driver’s dashboard and places it on your wrist, a 1/1,000 second chronograph, recall of up to 20 lap times, 99-minute countdown timer, and average speed calculator. #CitizenPromaster | Citizen Watch US

Eco-Drive Watches | Sustainably powered by any light with Eco-Drive technology. It's power with a purpose. | Citizen Watch US