Bell ross watch br x2 tourbillon micro rotor brx2 mrtb st an exceptional timepiece playing with transparency the movement developed and manufactured for the brx2 is square and thin it is called the caliber br380 with this time piece bell ross is going extreme into the simplification of watchmaking construction for br x2 concept it is impossible to talk about a case its majesty the movement is not housed in a traditional watch case it is framed inside a holder the frame is cut in a s