Discover Rolex's precision with the Day-Date 36 (ref. 118138-0030), 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 sapphire, delivering water resistance to 10000 meters. Up close, the dial rewards inspection: a green tone with sunburst finish, framed by stick / dot hour markers, and stick hands. Inside, precision takes center stage: the 3155 caliber. Introduced in 2017. 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.