A. Lange & Söhne Datograph Perpetual Tourbillon Honeygold “Lumen” 740.055FE
Ref. 740.055FE
in 18-carat HONEYGOLD®
The DATOGRAPH PERPETUAL TOURBILLON HONEYGOLD “Lumen” masterfully combines three significant complications within an 18-carat HONEYGOLD® case: a flyback chronograph, a perpetual calendar, and a tourbillon with a stop-seconds mechanism. Limited to just 50 pieces, this model features a semi-transparent dial made of sapphire crystal, allowing a glimpse of its intricate mechanics. With a case diameter of 41.5 mm and a thickness of 14.6 mm, it balances sophistication and complexity. The manually wound L952.4 movement, comprising 684 meticulously crafted parts and operating at 18,000 semi-oscillations per hour, provides a 50-hour power reserve. Luminous displays include an outsize date, day/night indicator, moon-phase display, calendar function, tourbillon, chronograph, and day-of-week display. Water-resistant up to 3 bar, this exquisite timepiece exemplifies horological excellence and innovation.