Citizen Promaster

The Citizen Promaster collection is the ultimate line of "Go Anywhere" professional sports watches, categorized into three distinct environments: Land, Air, and Sea. Built for professionals and adventurers alike, every Promaster timepiece is engineered for extreme durability and high-performance functionality beyond a standard watch. From the Sky series featuring pilot’s slide-rule bezels and world-time synchronization to the Land series with altimeters and electronic compasses, and the iconic Sea series for saturation diving, the collection is defined by its rugged construction and specialized tool features. Powered primarily by Eco-Drive technology, Promaster watches are designed to be fail-proof instruments that can withstand the harshest conditions on Earth without ever needing a battery change.