The Breguet Classique Tourbillon Extra-Plat Squelette 5395
The replica Breguet itself was one of the earliest contenders in the ultra-thin tourbillon competition several years ago, the firm introduced the Breguet Classique Tourbillon Extra-Plat Automatique 5377, in rose gold; in 2014 a platinum model was introduced, and in 2017 Breguet introduced the Classique Tourbillon Extra-Plat Automatique 5367, which had the same 3mm-thin movement as its predecessors but without the power reserve indication, and with a grand feu enamel dial. These replica watches are quite slim at only 7mm in thickness thanks mainly to their overall construction, at the same time, thanks to the application of the peripheral winding system, and the winding rotor and the moving plate are in the same plane.
The open version is slightly thicker than the previous version and is 7. 70mm thick owing to the domed “glass box” crystals. The moving train from mainspring to tourbillon cage, slightly down to the left of the center line; The gears that can be seen between 9 and 12 are automatically wound trains, which become immediately apparent when viewed from the back of the watch.
From the rear, the teeth on the inner circumference of the peripheral rotor are obviously visible, as is their connection with the first gear of the automatic winding train. The movement diameter of the fake Breguet is 16 ‴ in diameter, or about 36mm, and the balance beats at 28,800 vph – unusually fast for a tourbillon.
An ultra-thin/extra flat tourbillon is, even with modern manufacturing methods, a rather hard thing to execute, and this is owing to the inherent properties of a tourbillon watch. The tourbillon cage, as well as the need to advance the carriage, plus the mass of the balance, lever, and escape wheel, every time the escape wheel unlocks, adds considerably to the energy losses and so for a tourbillon watch to work it will, all things being equal, require a bigger mainspring than a traditional fake watch. 
Openworking an automatic tourbillon wristwatch is therefore a tour-de-force of a tour-de-force – and moreover, judged on the criteria classically applied to skeletonized movements, this replica watch is very impressive as well. Today, there are many movements which are called “skeletonized” which strictly speaking, have not been skeletonized, as they were designed as open movements from their inception. The exciting thing about skeletonized movements prior to this development was always seeing just how far you could go in removing metal without fatally compromising the rigidity, and therefore functionality, of the movement – watches designed for durability and accuracy generally have movements that are thicker than not, for this reason.
This is a very special tabulation process, the need for many aspects of tabulation process has special knowledge, and only a small part of brands have comprehensive knowledge. Indeed, given the large, luxury goods group ownership structure of enterprises in many modern watchmaking, specific brands of professional knowledge can be diluted and unexpected, sometimes not appropriate place, but thin, automatic, illness the tourbillon is still relatively rare, this is the most beautiful we’ve seen an example in a period of time.