Oris Big Crown ProPilot Date Stainless Steel / Chalk / Strap Ref. 01 733 7805 4163-07 6 20 15LC

The Oris ProPilot Date 01 733 7805 4163-07 6 20 15LC was introduced in 2025 as part of the revised ProPilot collection. It features a 41.50 mm stainless-steel case with brushed and polished surfaces and a bidirectional rotating bezel in the turbine-edge ProPilot pattern. The model includes a screw-in steel crown, a sapphire crystal with inner anti-reflective coating, and a screwed stainless-steel caseback. Water resistance is 100 meters. The dial is rendered in a chalk-colored matte finish. Applied indices and hands are coated with Super-LumiNova. A printed minute track encircles the dial, and at 6 o’clock is a date display with a coordinated background. Inside is the Oris calibre 733 automatic movement, based on the Sellita SW200-1. It operates at 28,800 vibrations per hour with an approximate 38-hour power reserve. Time is indicated by central hours, minutes, and seconds, with a date at 6 o’clock. This configuration is supplied on a leather strap with the Oris “LIFT” folding clasp.