Gents Citizen Featuring a silver-tone Super Titanium™ case with a brushed finish, the 41mm timepiece is durable in form and function with its matching bi-directional rotating bezel and triple-link bracelet. On the sunray blue dial, highly legible timekeeping elements are at work, with a yellow seconds counter providing a pop of color and a 3 o'clock date window providing daily utility. Featuring our proprietary Eco-Drive technology – powered by light, any light. Never needs a battery. Caliber number J810.