B.R.M is a small manufacture in France headed by Bernard Richards. Every component of their watches is done with the utmost care and complexity, making for innovative timepieces at very low production numbers. The present watch, the Birotor, took two years to complete. The suspended movement on triangle bridges has two self-winding rotors and a differential. The case is just as unique with adjustable, ergonomic lugs that have three different setting positions. The crown has been moved to two o'clock for comfort.