Designed with high-legibility function and bold pilot aesthetics, the Oris Big Crown ProPilot Big Day Date features a commanding 44.00mm multi-piece stainless steel case accented by a signature turbine-inspired knurled bezel. Its highly readable dial highlights prominent Arabic numerals and enlarged side-by-side day and date windows, all protected under a double-domed anti-reflective sapphire crystal. At the heart of the timepiece is the automatic Oris Caliber 752 movement, operating at 28,800 vph (4 Hz) to deliver precise central timekeeping, instantaneous day/date correction, a stop-second function, and a 38-hour power reserve. Equipped with a see-through mineral glass case back, 10 bar (100 meters) water resistance, and a matching stainless steel bracelet, this watch offers exceptional utility and Swiss mechanical reliability.