Discover Hublot's precision with the Big Bang (ref. 301.SB.131.RX), a distinctive model that balances proportion, precision, and presence. On the wrist, the case feels purposeful: measuring 44 mm in diameter. The caseback is open, and the crystal is sapphire, delivering water resistance to 10000 meters. Visually, the face is where character emerges: a black tone, framed by stick / dot hour markers, and stick hands. Among collectors, it is nicknamed "Carbon Effect". Mechanically, the watch prioritizes accuracy: the HUB4100 caliber. 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.