U40 Racing Tourbillon Skeleton

Reference: 0TSAT.B01A.K007T

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Case: titanium
Size: 42mm
Movement: hand-wound caliber A-300
Function: flying tourbillon
Power Reserve: approximately 60 hours
Water Resistance: 30m
Dial: skeleton with black ADLC coating
Caseback: sapphire crystal
Strap/Bracelet: black rubber
Factory Warranty: two years


When the Angelus engineers set out to develop, design, and manufacture the U40 Racing Tourbillon Skeleton, they went way beyond the confines of traditional watchmaking and took their cue from cutting-edge architecture and high-performance structural engineering, some of the world’s greatest supercars and aerospace-inspired technology. The result of their labors, which involved four years of intensive R&D, is the Angelus Tourbillon Skeleton A-300 caliber.

The U40’s simplicity and elegance are set off to maximum advantage by a movement that has the appeal of a three-dimensional sculpture and is a celebration of consummate mechanical achievement. Much reduced in weight, it has maximum rigidity from its beam-type bridges and the fact that all the movement’s main elements, such as the wheels and barrel, are firmly secured between two plates. This design replaces the conventional main plate and bridges construction and massively increases the mechanical resistance of the movement. The watch’s rigidity is further enhanced by the Angelus in-house six-spoke design, which reinforces the wheel train and protects the skeletonized ratchet and barrel.