C029.426.33.051.00Ref

The Certina DS-1 Big Date C029.426.33.051.00 arrived in 2025, honoring the 60th anniversary of the DS system with a 41mm matte black PVD-coated stainless steel case and matching bracelet. This model features a black sunray dial, a big date complication at 6 o'clock, and the 80-hour power reserve C07.651 automatic movement with a Nivachron balance spring. It is water-resistant to 100 meters, protected by a curved anti-reflective sapphire crystal, and includes a transparent case back.