Stainless steel case with a black rubber bracelet. Fixed blue ion-plated bezel with tachymeter. Black dial with silver tone hands and stick hour markers. Minute markers around the outer rim. Luminiscent hands and markers. Date display at the 6 o’clock positions. Two sub-dials displaying: 12 hours and 30 minutes. Automatic movement. Scratch resistant sapphire crystal. Skeleton case back. Case diameter: 45 mm. Case thickness: 15 mm. Tang clasp. Water resistant at 50 meters / 165 feet. Functions: hours, minutes, seconds, date, chronograph, tachymeter, power reserve. Oris Williams F1 Stainless Steel Black Rubber Mens Automatic Watch 673-7563-4754RS.