Eco-Drive Ring, powered by any light source, eliminating the need for watch batteries. Sapphire Crystal. Bold, yet elegantly understated, this new addition to the men’s Sport Luxury collection combines a classic and polished look with state-of-the-art functionality. The watch features a silver-tone stainless steel case with a sleek, black 3-hand dial with date, and finished with a sapphire crystal. The stainless steel bracelet features a fold-over clasp with push buttons for easy accessibility. With water resistance up to 100 meters and Citizen’s sustainable Eco-Drive technology that powers the watch by any light, this modern classic timepiece will become a wardrobe staple for many years to come.