From A. Lange & Söhne, presenting the 1815 (ref. 401.031), an elegant watch engineered for daily versatility and long-term reliability. From profile to crystal, the architecture convinces: crafted in pink gold and measuring 39.5 mm in diameter, with a thickness of 10.8 mm. The caseback is open, and the crystal is sapphire. Up close, the dial rewards inspection: a black tone, executed in silver, framed by arabic numerals hour markers, and alpha hands. Inside, precision takes center stage: the L951.0 caliber. Introduced in 20042008. 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.