Discover IWC's precision with the Portugieser (ref. IW5022-19), a refined timepiece that blends thoughtful design with reliable performance. A study in proportion and durability: crafted in platinum and measuring 42.3 mm in diameter, with a thickness of 15.6 mm, defined by a round silhouette. The caseback is open, and the crystal is sapphire, delivering water resistance to 3000 meters. The dial composition is deliberate and legible: a silver tone, framed by arabic numerals hour markers, and feuille hands. Among collectors, it is nicknamed "Single Moon". Beneath the caseback lies dependable performance: the 51610 caliber. Produced in limited numbers, appealing to focused collectors. First released in 20062008. 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.