A.Lange & Söhne Lange 1 Perpetual Calendar - Moonphase - 41.9 MM - White Gold - Rose Gold Dial - 345.056 E

The LANGE 1 PERPETUAL CALENDAR stands out for its innovative mechanical solutions, featuring precisely jumping calendar displays and a peripheral month ring. In a limited edition of 150 pieces, this model, exclusively available in Lange boutiques, showcases a dial made of 18-carat pink gold within an 18-carat white gold case. With dimensions of 41.9 mm diameter and 12.1 mm thickness, it houses the self-winding L021.3 movement, comprising 621 parts and offering a power reserve of 50 hours with a balance frequency of 21,600 semi-oscillations per hour. Notable complications include an outsize date, calendar function, moon-phase display, day/night indicator, and day-of-week display, making this timepiece a rare and exquisite addition to any collection, blending mechanical excellence with luxurious aesthetics.