JLC3 Jaeger LeCoultre Master Compressor Chronograph. Reference Q1758470. Automatic JLC in-house movement caliber 751. Sapphire crystal on the front and a closed case back with the gold 1000 hours medallion. Waterproof 10ATM or 100 meters. Functions are hours, minutes, sub seconds, chronograph and date. This watch is fitted with the original chocolate brown alligator strap with steel double folding clasp. 2 Extra chocolate brown alligator straps are catered in the box. Naturally this watch is complete with the original box and (open) papers. Presumably this watch is from around 2009 and is in the original unpolished condition. The instruction booklet has been misplaced by the previous owner. This is a very good watch and super value with 3 leather straps!