Stainless steel case with a stainless steel bracelet. Fixed stainless steel bezel. Silver dial with luminous hands and Arabic numeral hour markers. Minute markers around the outer rim. tachymeter around the inner bezel. Dial Type: Analog. Luminescent hands and markers. Date display at the 3 o'clock position. Chronograph - sub-dials displaying: three - 60 second, 30 minute and 12 hour. Automatic movement. Scratch resistant sapphire crystal. Screw down crown. Solid case back. Case diameter: 42 mm. Octagon case shape. Band width: 20.3 mm. Band length: 8 inches. Hidden folding clasp. Water resistant at 100 meters / 330 feet. Functions: chronograph, date, hour, minute, second. Luxury watch style. Audemars Piguet Royal Oak OffShore Chronograph Silver Dial Watch 25721ST.OO.1000ST.07.A.