Related Clues:

• Clock
• Occasion
• What prisoners do
• "Procrastination is the thief of __": Young
• Use a stopwatch for
• Constant marcher
• Wound healer
• Kind of exposure or frame
• Check with a stopwatch
• See 17 Down
• Byron's 'avenger'
• It marches and flies
• Umpire's cry
• Take the minutes?
• You may feel it pass