Certina DS-1 Big Date Powermatic 80The Certina DS 1 Big Date Powermatic 80 (C029. 426. 36. 041. 00) is where Swiss watchmaking tradition meets contemporary elegance. Housed in a 41 mm stainless steel case, this automatic timepiece offers lasting durability and a refined look designed for both business and everyday sophistication. The striking blue sunray dial is paired with silver tone hands and indices coated in Super LumiNova, providing excellent readability in any lighting