Launched in 2025 to celebrate 60 years of the Double Security (DS) System, the Certina DS-1 Big Date C029.426.36.041.00 features a 41mm rose gold PVD-coated stainless steel case. Its gradient blue dial displays a prominent big date at 6 o'clock, driven by the automatic caliber C07.651 with an 80-hour power reserve and Nivachron balance spring. The watch includes a 100-meter water resistance rating, a sapphire crystal, and a quick-release blue leather strap.
Shape
Round
Lug Distance
20.00 mm
Material
Stainless Steel
Glass
Sapphire
Thickness
11.90 mm
Diameter
41.00 mm
Water Resistance
100.00 m
Dial Color
Blue