cal. 3.09 lever movement mono-metallic balance • dial in PVD coated ARCAP P40 rotating satellite hours indicates the time as they pass by the minute arc luminescent Arabic numerals on three revolving discs • aerodynamic rectangular curved 18k white gold case centrally positioned large winding crown reverse with titanium control board featuring power reserve indication an adjusting screw for regulation 15-minute register and constant seconds • case dial and movement signed • with an 18k white gold Urwerk buckle