The Certina “DS” 1 is a simple chrono watch that preserves the style and integrity of its original model. The design combines clean lines and a very subtle yet discernible face. It features a dynamic dial and exclusive asymmetrical pushpieces. Other features include Case Satin finish, DS double security system, anti-reflective convex sapphire crystal, water-resistant to 100m, and more. The Certina DS 1 Chrono Automatic comes in two versions. The other model comes with a leather strap as shown above.