Jaeger LeCoultres first collaborative masterpieces were the ultra-thin pocket watch and the JLC Caliber 145, known for its thin movement at 1.38mm it was manufactured in 1907. In its span of existence, Jaeger LeCoultre was able to craft more than 1,000 calibers, with most calibers fitted with two or more complications. Jaeger LeCoultre collections comprise of the Reverso, Master, Duometre, Rendez-vous, Master Extreme, Amvos, Atmox, Hybris Mechnica and Extraordinary.The Reverso (1931) is its most well-known model not only to affections of the Polo Players. Two of JLC's latest offering are the Reverso Duetto andthe Grande Reverso Lady Ultra Thin. Robert Downey Jr.s favourite is Jaeger-LeCoultre Deep Sea Vintage Chronograph.