The Citizen Promaster Navihawk CA4660-61A is a men's chronograph watch featuring a 40mm silver-tone stainless steel case with sharp faceting and satin finishing. The silver-tone dial includes red, black, and white accents for enhanced legibility and is protected by an anti-reflective sapphire crystal. A slide-rule scale on the bezel provides additional flight utility. Powered by Citizen's Eco-Drive technology, the watch harnesses light to operate, eliminating the need for regular battery replacement. Additional features include a 1/5 second chronograph measuring up to 60 minutes, 12/24-hour time displays, a date indicator, and water resistance up to 200 meters. Reference number: CA4660-61A.