The Jaeger-LeCoultre Master Ultra Thin Moon pairs a refined 39mm stainless steel case with a black sunray-brushed dial, elegant applied hour markers, and a moonphase display at 6 o’clock. Powered by the automatic Calibre 925, it combines hours, minutes, seconds, date, and moonphase indications in a balanced, understated design. Finished with a black alligator leather strap, sapphire crystal, and transparent caseback, this sophisticated dress watch showcases Jaeger-LeCoultre’s expertise in traditional Swiss watchmaking.