Urwerk. A fine and unusual black PVD-coated titanium reversible wristwatch with wandering hour display, certificate and box Signed Urwerk, ref. UR-T8, Transformer Turbine Automatic Limited Edition 20th Anniversary model, no. 2 / 30, case no. Z17 232, circa 2017 Movement: cal. UR-T8, automatic with unidirectional rotor regulated by a single turbine Dial: rotating hour satellites or wandering hours with luminous numerals Case: matte black PVD-coated titanium, rotating body released by two pushers, 60.23 mm. wide, 48.35 mm. overall length, signed With: black PVD-coated Urwerk buckle, International Warranty Certificate stamped by Anders Superbrands, Munich, and dated 18th April 2017, owner’s manual and fitted box with outer packaging