Angelus Watch U53 Tourbillon 0.TDDT.G01A.T008G. A Tourbillon Volant. An Angelus skeleton calibre. Professional diving skills. Asymmetric design. Rotating flange. A 25-piece limited series. All available in khaki green. U53 stands out as an exclusive, versatile, masculine, ultra modern timepiece, which Angelus also wanted to be easy to wear.