Discover Hublot's precision with the Spirit of Big Bang (ref. 641.JY.0190.RT), an elegant watch engineered for daily versatility and long-term reliability. From profile to crystal, the architecture convinces: measuring 42 mm in diameter, defined by a tonneau silhouette, protected by pvd coating. The caseback is open, and the crystal is sapphire, delivering water resistance to 5000 meters. Up close, the dial rewards inspection: a skeleton tone, framed by stick / dot hour markers, and stick hands. Inside, precision takes center stage: the HUB4700 caliber. Produced in limited numbers, appealing to focused collectors. First released in 2019. 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.