Meet Rolex Day-Date 36 (ref. 1806 DD), an elegant watch engineered for daily versatility and long-term reliability. From profile to crystal, the architecture convinces: crafted in yellow gold and measuring 36 mm in diameter, defined by a round silhouette. The caseback is closed, and the crystal is plexi, delivering water resistance to 5000 meters. Up close, the dial rewards inspection: a gold tone, framed by stick / dot hour markers, and stick hands. Among collectors, it is nicknamed "Doorstop". Inside, precision takes center stage: the 1556 caliber. Introduced in 1963. 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.