A.Lange & Söhne Langematik Perpetual Calendar and Moonphase - 38.5MM - Rose Gold - Blue Dial - 310.037E

When the LANGEMATIK PERPETUAL debuted in 2001, it marked a milestone as the first mechanical wristwatch to integrate a perpetual calendar with a Lange outsize date. In pink gold, this model showcases a rare and striking blue dial meticulously crafted from solid silver. Limited to just 50 pieces and exclusively available in Lange boutiques, it boasts a case diameter of 38.5 mm and a thickness of 10.2 mm. Powered by the self-winding L922.1 movement, consisting of 478 parts, it offers a power reserve of 46 hours, with a balance frequency of 21,600 semi-oscillations per hour. Notable complications include the outsize date, calendar function, moon-phase display, day/night indicator, zero reset, and day-of-week display, exemplifying technical mastery and timeless elegance in a timepiece of unparalleled rarity and sophistication.