Discover Hublot's precision with the Spirit of Big Bang (ref. 601.NX.7170.LR), a refined timepiece that blends thoughtful design with reliable performance. A study in proportion and durability: measuring 45 mm in diameter, defined by a tonneau silhouette. The caseback is open, and the crystal is sapphire, delivering water resistance to 10000 meters. The dial composition is deliberate and legible: a skeleton tone, framed by stick / dot hour markers, and stick hands. Beneath the caseback lies dependable performance: the HUB4700 caliber. Comfort and balance define the wearing experience, making it an easy daily companion. Subtle transitions between textures elevate the overall impression. For buyers researching specifications and real-world impressions, this reference stands out for coherent design, dependable mechanics, and lasting relevance within modern horology.