Discover Zenith's precision with the El Primero (ref. 03.2066.405/69.R515), a distinctive model that balances proportion, precision, and presence. On the wrist, the case feels purposeful: crafted in stainless steel and measuring 45 mm in diameter, with a thickness of 14.1 mm, defined by a round silhouette. The caseback is open, and the crystal is sapphire, delivering water resistance to 10000 meters. Visually, the face is where character emerges: a silver tone, framed by stick / dot hour markers, and stick hands. Mechanically, the watch prioritizes accuracy: the El Primero 405B caliber. Introduced in 2012. The silhouette offers presence without excess, lending confidence in a range of situations. Finishing showcases disciplined attention to detail across facets, edges, and surfaces. For buyers researching specifications and real-world impressions, this reference stands out for coherent design, dependable mechanics, and lasting relevance within modern horology.