Q1738470 Jaeger LeCoultre Master Jaeger LeCoultre Compressor Dualmatic Stainless Steel 41.5 Black dial Round Stainless Steel case Stainless Steel bezel. Black dial Applied Luminescent indexes Sapphire crystal. Automatic movement Time, Date, GMT, 24H Indicator, AM/PM Indicator complications. 48H power reserve 41.5mm diameter 13.06mm thick Alligator strap Deployment buckle. 100 water resistant. Lockin crown Solid case back. JLC as its known was founded by Antoine LeCoultre in 1833. A Swiss luxury watch and clock manufacturer based in Le Sentier Vallée de Joux, Switzerland hundreds of inventions and over a thousand calibres (movements), including the world’s smallest calibre, one of the world’s most complicated wristwatches and a timepiece of near-perpetual movement. Sports watches, diving watches, dress watches, thin watches make up the Collection of Jaeger LeCoultre such as Geophysic, Master, Reverso, Rendez-Vous, Atmos Clock, Master Extreme, Duomètre, Hybris Mechanica. Known as the watchmakers watch company luxury you can afford. Since Jaeger-LeCoultre’s founding, the company has produced over 1,242 different calibres, registered approximately 400 patents and created hundreds of inventions. LeCoultre of Switzerland and Jaeger of France formed a company in England, Ed. Jaeger (London) Limited, in 1921 to make instruments for prestige car manufacturers.