The Citizen CA4660-61A is a men's chronograph watch from the Promastercollection, designed for both style and functionality. It features a 40mm silver-tone stainless steel case with sharp faceting and a satin finish, complemented by a matching triple-link stainless steel bracelet. The silver-tone dial includes red, black, and white accents for enhanced legibility, and is protected by a sapphire crystal. A slide-rule scale on the bezel adds flight utility. Powered by Citizen's Eco-Drive technology, the watch harnesses light to operate, no regular battery replacement is required. Additional features include a chronograph function measuring up to 60 minutes, a date display, and water resistance up to 200 meters, making it suitable for various activities