Discover the Jaeger-LeCoultre Master Ultra Thin Power Reserve. This 39mm stainless steel watch features a silvered grey sunray-brushed dial with rhodium-plated hour-markers, a black alligator leather strap, and water resistance up to 5 bar. It offers date, power reserve indication, hour-minute, and seconds functions. Powered by the automatic Calibre 938. Reference: Q1378420.