Black 18kt rose gold pre-owned RM-033 Extra Flat 45mm from Richard Mille Pre-Owned featuring round face, automatic movement, rubber strap, pin-buckle fastening, index hands, screw-down crown and skeleton dial. Original box, papers and WatchBox certificate.. This item comes with a standard two-year warranty from WatchBox.. This watch has been evaluated and authenticated by a WatchBox in-house Swiss-trained watchmaker..