Stainless steel case (45mm in diameter), Transparent sapphire case-back, Black dial with a guilloche center, Rhodium hands, hand-mounted Roman numerals and index hour markers, Grand date at the 2 o'clock, Open dial at 10 o'clock showing the heart of the El Primero movement, Small second subdial to the right of the 9 o'clock position with a 3-branched hand, Chronograph features a minutes sub-dial to the left of the 3 o'clock and seconds in the center, Anti-reflective sapphire crystal, Swiss automatic mechanical movement (El Primero caliber 4047) with a power reserve of over 50 hours, Water resistant to 30 meters/ 100 feet, Black crocodile leather strap, Deployment buckle.