When Patek Philippe introduced the Cubitus collection in 2024 , it drew fierce scrutiny. A square-shaped, angular evolution of the Nautilus concept, it challenged expectations . Yet, over successive releases, from the time-and-date references to the instantaneous grand date 5822P and the more compact 7128 models , the collection has settled into its role as Patek Philippe ‘s modern sporty-chic platform alongside the existing Nautilus models . If, for once, we accept secondary-market prices as an indicator of desirability and series success, even discounting greed, it’s a collection that many find appealing. Now comes the Cubitus Perpetual Calendar Skeleton 5840P, the first Grand Complication in the line. Rather than simply adding complexity, Patek Philippe has used this watch to fully align the identity of the Cubitus: geometry, mechanics, and design speak the same language. Dare we suggest that if this were the inaugural Cubitus to behold, the reactions would have been predominantly positive?…