Stainless steel case with a stainless steel bracelet. Fixed stainless steel bezel. Silvery opaline dial with luminous hands and index hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands and markers. Perpetual calendar displaying: day of the week, date and month. A single chronograph sub-dials displaying: 60 second, 30 minute and 12 hour. Power reserve indicator. Automatic movement with a 45 hour power reserve. Scratch resistant sapphire crystal. Skeleton case back. Case diameter: 40.5 mm. Case thickness: 13.55 mm. Round case shape. Deployment clasp. Water resistant at 30 meters / 100 feet. Functions: hours, minutes, annual calendar, chronograph, 60 minute +12 hour mono counter. Luxury watch style. Watch label: Swiss Made. Patek Philippe Complications Chronograph Silver Dial Stainless Steel Mens Watch 5960-1A.