Preowned-345.036 A. Lange & Söhne Lange 1 Perpetual Calendar : Exquisite Elegance and Masterful Craftsmanship. Indulge in the epitome of German haute horlogerie with the A. Lange & Söhne Preowned-345.036. This distinguished grand complication features a 41.9 × 12.1 mm pt950 platinum case that radiates refined sophistication. A fixed platinum bezel and sapphire crystal complete the iconic asymmetric Lange 1 silhouette. Deep black dial with the signature off-center time display integrates the outsize date, a peripheral month ring, retrograde day-of-week, a poetic moon-phase display with day/night indication, and a discreet leap-year aperture—clear, balanced, and unmistakably Lange. The watch performs the following functions: hours, minutes, seconds; perpetual calendar with day, date, month; moon phase; leap-year cycle; day/night indicator. Powering the watch is the automatic Caliber L021.3 with an approximate 50-hour power reserve, showcasing exemplary finishing and precision. A sapphire crystal protects the front side, while a sapphire display back reveals the beautifully decorated movement. Hand-stitched alligator leather strap with a platinum clasp ensures both comfort and style. Water-resistant to 30 m.Key Features:Pt950 platinum case (41.9 × 12.1 mm)Black Lange 1 dial: outsize date; peripheral month ring; retrograde dayMoon-phase with day/night indication; leap-year apertureAutomatic Caliber L021.3; power reserve ~50 hoursSapphire crystal front; sapphire display backAlligator leather strap with platinum claspWater-resistant to 30 mElevate your collection with this masterpiece of luxury. Click 'Order Now' to make it yours or give us a call to discuss this stunning timepiece.One year warranty for all watches. Preowned-345.036 A. Lange & Söhne Lange 1 Perpetual Calendar Platinum Men’s WatchThis watch comes with box and papers.