The new Zenshin Senkei chronograph brings a bold yet refined presence to the wrist. Crafted from silver-tone Super Titanium™, the 41mm case is ultra-lightweight, scratch- and rust-resistant, and seamlessly integrates into the matching bracelet for a clean, modern silhouette Powered by Citizen’s Eco-Drive technology—sustainably fueled by light, never needs a battery. Water resistant up to 100 metres.