Case material: Steel; Charge: Automatic; Conditions: Good Year : 2000; Presentation condition : Without documents; Price on request Gmtbroker Reference: nessuna BRM Birotor - squelette ref. BRT-1 - Titanium and sapphire case. This is a F1 inspired watch: the movement, suspended by 4 carbonfiber triangles and fixed inside the box by an elastic system, all the movement’s screws are replaced by bolts. The ergonomic lugs are fixed on the case in 3 adjustable positions. The watch is presented in its original box with an additional leather strap. This watch is visible by appointement only.