Discover A. Lange & Söhne's precision with the 1815 (ref. 404.047), an elegant watch engineered for daily versatility and long-term reliability. From profile to crystal, the architecture convinces: crafted in pink gold and measuring 43.2 mm in diameter, with a thickness of 15.3 mm. The caseback is open, and the crystal is sapphire. Up close, the dial rewards inspection: a black tone, framed by roman numerals hour markers, and alpha hands. Among collectors, it is nicknamed "Sincere". Inside, precision takes center stage: the L001.1 caliber. Produced in limited numbers, appealing to focused collectors. First released in 2005. 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.