Jaeger-lecoultre, Superb Traditional Master Series, Model: Q146242A, perpetual calendar + moon phase + alarm function. The case is crafted from 18K rose gold, with a diameter of 42mm, and is paired with a silver radiating dial. The 18K rose gold folding clasp exudes luxury. Equipped with the self-produced Cal.909 automatic mechanical movement, it has a power reserve of 45 hours and integrates complex functions such as perpetual calendar (including date, day of the week, month and year display), Memovox mechanical alarm, moon phase and 24-hour display, combining practicality and craftsmanship. The solid case back design conceals the exquisite polishing of the movement, and it is a single watch