Roughly 130 hours of hand engraving went into the movement you can see straight through this 39mm case, which is why Patek Philippe presents it as one of its Rare Handcrafts. Made for the collector who already owns the steel sports icons and now wants a piece that feels closer to fine art. Wear it to dinner and expect the whole table to lean in, Tony Stark style, to see what is running underneath.

Presents itself in very good condition with light signs of wear. Every bridge of the ultra-thin caliber 240 SQU has been openworked and engraved by hand, so the rose gold scrollwork shifts from soft blush to bright copper as it catches the light. Turn it over and a 22k gold micro-rotor engraved with the Patek Philippe Seal sits behind the sapphire caseback, a view usually reserved for the watchmaker’s bench. Wrapping the wrist is a supple multi-row 18k rose gold bracelet that drapes like fine chainmail, closed by a fold-over clasp signed in script.

Functions include hours, minutes. Self-winding comes from the off-center micro-rotor, a design that keeps the case just 6.7mm thin, and a few turns of the crown in its pushed-in position will wind it by hand. Pulling the crown out one click sets the blackened leaf-shaped hands. No date, no seconds hand and no lume compete with the engraving, so nothing interrupts the view.

Comes as a full set, boxed with warranty documentation.

Hand skeletonizing has become one of watchmaking’s rarest skills, and the 5180 is one of the few modern Patek Philippe references where you can watch that tradition tick in real time. For the collector who values craft over hype, it brings Breakfast at Tiffany’s elegance with a Mission: Impossible amount of moving parts. Some watches simply tell the time; this one makes you stop and look every time you check it.