Star Wars Episode 4: A New Hope - Buckle Up, Obi Wan!
Watch the scene where Han, Luke and Obi-Wan are boarding the Falcon to escape the storm troopers from Mos Eisley. Obi Wan sits in his seat, grabs his seatbelt, and just holds the ends together rather than fasten them. You can only see this in the wide screen version.
wide screen version