All dials are characterised by Arabic numerals that are hallmarks of the Premier line and protected by cambered sapphire crystals glareproofed on both sides.

The open sapphire crystal caseback is domed to allow for full appreciation of the B21 movement, where the oscillating weight and reverse side of the tourbillon appear in contrasting 18k gold best swiss replica watches.

Developed in collaboration with the specialty movement maker Manufacture La Joux-Perret, this 4 Hz (28,800 vibrations per hour) movement offers 55 hours of power reserve.

Named for each of the Breitling founders, Leon, Gaston and Willy, the three watches come in 42 mm x 15.2 mm cases with stylized square pushers and a large non-screwed crown. Their water resistance is guaranteed up to a pressure of 10 ATM (approximately 100 metres / 330 feet).

Breitling unveiled the Premier B21 Chronograph Tourbillon 42 fake rolex, three new chronographs crafted from precious metals and featuring a tourbillon which takes center stage at 12 o’clock.

A tourbillon houses the balance wheel, balance spring and escapement in a rotating cage, setting the entire assembly in perpetual motion. This action corrects for the pull of gravity, which affects a watch’s accuracy differently in different positions (you can read more about the tourbillon and its history here).