Jaeger LeCoultre, Master, Model: 1362520 Automatic mechanical 18k rose gold, diameter: 39mm complete set. Brand Series: Jaeger-LeCoultre Master Collection (The benchmark of Swiss high-end dress watches) Specification: 39mm in diameter, 18K rose gold solid case, automatic mechanical, original black alligator leather strap Design and functional highlights 📌 6 o 'clock Classic Moon Phase Calendar: Deep blue starry sky background + gold full moon moon phase dial, the outer ring circular scale synchronously displays the dates from 1 to 31, which is Jaeger-lecoultre's signature moon phase craftsmanship. Dial configuration: Simple off-white dial, three-dimensional triangular rose gold hour markers, signature blue steel central seconds hand. The dial has no redundant or complicated designs, suitable for business formal wear. Ultra-thin case: The Master series features an ultra-thin movement layout. The case thickness is relatively thin, and it can be easily tucked into the sleeve of a shirt when worn. It is the preferred style for business commuting. The movement and market conditions Equipped movement: Jaeger-lecoultre's self-produced Cal.925 / 1 automatic ultra-thin movement, with a power reserve of 43 hours. The brand's self-developed movement has excellent stability