Experience the craft of IWC in the Da Vinci (ref. IW3931-01), a refined timepiece that blends thoughtful design with reliable performance. A study in proportion and durability: crafted in red gold and measuring 44 mm in diameter, with a thickness of 17 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 alpha hands. Beneath the caseback lies dependable performance: the 89900 caliber. First released in 2017. 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.