Jules Audemars 26353 Tourbillon Chronograph Platinum / Openworked

In Context

At 41 mm it is sized to the current mainstream: 40 mm is the median across every watch measured in this catalogue. At 13 mm it is a tall case, and it will catch on a cuff. The case back is open, so the movement is visible without taking the watch apart, and the sapphire crystal will resist everything short of deliberate abuse. Rated to 20 m, it is protected against rain and splashes and nothing beyond that.

The movement is hand-wound, so winding it becomes part of the day rather than something the watch does for you. 72 hours of reserve puts it well past a weekend — several days off the wrist and it is still going. At 21,600 vph the seconds hand advances 6 times a second, the slower and more audible rate of an older design.

26353PT.OO.D028CR.01 stands on its own in this catalogue — no other reference here shares its base number. It pairs a skeleton dial with a platinum case. Beyond the time it carries a chronograph and a tourbillon.

Hand-wound, skeletonized movement with tourbillon escapement and chronograph function. Audemars Piquet caliber 2936 features 299 parts and its height is listed as 7.60mm. Audemars Piguet caliber 2889 is similar but finished in a different manner, features 295 parts and its height is listed as 8.07mm.