The Venezianico Nereide Ultraleggero 42 Ref. 3921506 is a distinctive skeleton dive watch inspired by Leonardo da Vinci’s Vitruvian Man and the golden ratio. Its innovative three-level skeletonized dial integrates closely with the automatic Seiko NH70A movement, while the 42mm 316L stainless-steel case offers 200m water resistance. It is finished with a sapphire crystal, blue skeletonized dial and Italian-made rubber strap.