The Jaeger-LeCoultre Master Ultra Thin Rose Gold Diamond White Dial 39mm Ref. Q1362503 showcases technical finesse and refined details in a slim profile. This model features a 39mm rose gold case with a diamond-set bezel, paired with a white dial accented by index hour markers. The mechanical selfwinding Calibre 925AA movement powers hours, minutes, seconds, and a moonphase display, with a 70-hour power reserve. Enhanced by a new barrel, escapement wheel, and silicon anchor, the movement includes 245 components and maintains a case thickness suitable for an ultra-thin design. The watch is fitted with a black alligator leather strap secured by a rose gold pin buckle. Water resistance is rated to 50 meters. Notable features include the diamond bezel, long power reserve, and ultra-thin construction, making this Master Ultra Thin Moon a standout in both technical achievement and everyday practicality.