Stainless steel case (44mm in diameter), Transparent sapphire case-back, Off white dial with silver sub-dials, Rhodium hands and hand-mounted Arabic numerals, 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 4021) with a power reserve of over 50 hours, Power reserve display at the 6 o’clock position, Water resistant to 50 meters/ 165 feet, Black alligator leather strap, Deployment buckle.