A.Lange & Söhne Langematik Perpetual Calendar and Moonphase - 38.5MM - White Gold - Blue Dial - 310.028E

When the LANGEMATIK PERPETUAL debuted in 2001, it marked a groundbreaking moment as the first mechanical wristwatch to blend a perpetual calendar with a Lange outsize date. Presented in white gold, this model showcases a captivating 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. Driven by the self-winding L922.1 movement, comprising 478 parts, it offers a power reserve of 46 hours, with a balance frequency of 21,600 semi-oscillations per hour. Noteworthy complications include the outsize date, calendar function, moon-phase display, day/night indicator, zero reset, and day-of-week display, underscoring technical sophistication and timeless elegance in a timepiece of exceptional exclusivity and refinement.