Oris Big Crown Propilot Worldtimer Watch (01 690 7735 4164-07 5 22 15FC)., Caliber 690 movement with 38 hours power reserve. Dual time zone functions. Luminescent hands and index hour markers. Black dial with 2 subdials and a date window at the 3 o`clock position. Stainless steel rotating dial set on a 45mm stainless steel case. Domed anti-reflective sapphire crystal on top and an exhibition case-back. Water resistant to 100M. Black fabric strap with a dual folding deployment clasp.