Omega 3366.51.00 Apollo 15 35th Anniversary Speedmaster, 33665100, released in 2006 to commemorate the 35th anniversary of the Apollo 15 "Endeavour and Falcon" mission, limited to only 1,971 pieces word wide, stainless steel and rose gold on a bracelet with a folding deployant clasp, manual wind Omega caliber 1861 movement, 12-hour chronograph, black dial with rose gold subdials, hour markers, and hands, water resistant to 50m, diameter: 42mm, thickness: 14mm.