An outer housing with a cover having a PVD coating; a lens; and an illumination device such as LEDs, light guides, light emitting surfaces and/or blinkers. The lens has a first area internal to the cover, and a second, transparent area extending to one side of the outer housing. The cover has a first cover element external to the lens and of a nature such that the illumination device is visible from the exterior when it is on and not visible from the exterior when it is off. The cover has a substantially opaque second cover element having an overlapping portion between the first area of the lens and the first cover element.