A. Lange & Söhne, Lange No. 1, Model: 192.029, 18K white gold, diameter: 38.5 mm • Dial: A black dial made of solid silver, with Roman numeral hour markers, a signature Lange large date window, and a power reserve, day / night + moon phase composite display integrated on the right side • Movement: Lange self-manufactured L121.3 manual winding movement, 438 components, 72-hour power reserve, frequency 21,600 vibrations per hour (3 Hz), featuring hand-engraved balance bridge, German silver large bridge and other signature Lange craftsmanship decorations