Solutions sixty-minute period has 12 entries with similar clues

• 4-letter words
• zuluNineteen sixty-four film about the Battle of Rorke's Drift
• 5-letter words
• alfieNineteen sixty-six Michael Cane film
• 6-letter words
• squareNumber such as four or sixty-four
• mexicoNineteen sixty-eight Olympics host
• hourlyEvery sixty minutes
• 7-letter words
• bullittNineteen sixty-eight film with Steve McQueen
• 8-letter words
• bathcubecricket club, sixty-four for one, entertaining husband in essence?
• 9-letter words
• leap-yearThree hundred sixty-six days
• 10-letter words
• threescoreSixty
• 12-letter words
• sexagenarianSixty plus
• 13-letter words
• cool-and-lukeNineteen sixty-seven film with Paul Newman
• trainspottingNineteen sixty-six film based on a novel by Irvin Welsh