Experience the craft of A. Lange & Söhne in the Lange 1 (ref. 101.539), an elegant watch engineered for daily versatility and long-term reliability. From profile to crystal, the architecture convinces: crafted in white gold and measuring 38.5 mm in diameter, with a thickness of 10 mm, defined by a round silhouette. The caseback is open, and the crystal is sapphire. Up close, the dial rewards inspection: a silver tone with matte finish, framed by mixed hour markers, and alpha hands. Inside, precision takes center stage: the L901.0 caliber. Introduced in 20092012. Designed for real-world wear, the watch transitions smoothly from tailored looks to casual settings. Manufacturing tolerances and surface treatment highlight consistent quality control. For buyers researching specifications and real-world impressions, this reference stands out for coherent design, dependable mechanics, and lasting relevance within modern horology.