CA4691-59 - Eco-DriveThe 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. Distinctive design elementslike a deeply knurled crown and angular, multi sided bezeladd a unique character, while brushed finishing throughout enhances its sleek, sporty appeal.