This Blancpain Le Brassus Tourbillon Perpetual Calendar Split Second Flyback Chronograph Ref 4289Q-3642-55B is rated 9.9 out of 10. It is a self-winding wristwatch with tourbillon, perpetual calendar, split-seconds flyback chronograph. The case is done in rose gold and measures 42mm across. It comes with box and warranty card dated in August 2006.