The Citizen Tsuki-yomi A-T BY1010-81H is a men's watch featuring a Super Titanium™ case and bracelet, offering durability and a lightweight feel. It is powered by Citizen's Eco-Drive technology, eliminating the need for battery replacements by harnessing light energy. The watch includes a moon phase display, world time across 24 time zones, a perpetual calendar, and radio-controlled timekeeping for enhanced accuracy. The gray-black dial is protected by sapphire crystal, and the timepiece is water-resistant up to 10 bar. Reference number: BY1010-81H.
