Seagull Space Walker II (120 Size) 2.1m (82.7in) SEA61Seagull Space Walker II (120 Size) 2. 1m (82. 7in) SEA61 The Space Walker looks like its been around for decades but believe it or notits only been around since the 1980s although the construction techniques have successfully been used since the 1920s. The original Space Walker was powered by a 65. HP engine but designed to accommodate engines up to 150. HP! Seagull Models have brought this representation to life with this sleek 2 seat,82. 7inch