Replik Rolex Submariner Clear? Well, probably not quite. So I spent a few days manually parsing the other diagrams, stripping away the numbers, coloring, and then animating the meaningful parts of the chronograph works to illustrate how AP created one of the thinnest chronographs in the world (and did so with a tourbillon). As suggested by the patent application, a number of the solutions are ingeniously novel. Let's start with the basic start-stop-reset function. Disconnected from the "push" of the mainspring, the return spring forces the rack back; it flies back along the flat section between the two missing teeth and hits the break at the end of the rack. It then won't start moving again until 5 seconds into the chronograph rotation, when the teeth engage again. The breitling watch belt is a masterpiece of horological engineering.

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