Girard-Perregaux Girard-Perregaux Laureato Chronograph L39 Crown Series 42mm Chronograph Watch. Made of stainless steel, the case has a diameter of 42mm and a thickness of 10.8mm. It features a sapphire crystal, a Parisian studded dial, and stick-shaped hands. The watch is powered by an imported automatic movement with a power reserve of 46 hours. It comes with a stainless steel/leather strap, adorned with diamonds, and a stainless steel three-prong clasp. Water resistance is rated at meters.