Watches tend to be ranked in terms of prestige by their number of complications. There are many other factors – weight; case size; precious metals; proprietary movements; heritage – but, in the main, a copy watch with a tourbillon or a perpetual calendar will have an altogether higher appeal than one without (but lower than one with both). Not only are such timepieces progressively harder to engineer, but finding space for more complications is like trying to fit a car with a second engine. But, as perfect replica Audemars Piguet’s new Code 11.59 Ultra-Complication Universelle RD#4 attests, more is always possible. The highlight of a series of barnstorming 2023 releases…