The Master Ultra Thin 1907 watch takes its inspiration from the ultra thin pocket watch created by Jaeger-LeCoultre in 1907. With this watch Jaeger-LeCoultre resumes a long tradition of record-breaking timepieces. Thanks to its "knife-shaped" pink gold case with a thickness of only 4.05mm, it is one of the thinnest of all hand-winding mechanical movement watches. A perfect combination of simplicity and elegance, this timepiece is an authentic tribute to Jaeger-LeCoultre's pioneering role in the category of ultra thin watches.