Related Clues:

• Keep an eye on the time with this
• Get it on tick when it's to hand
• Look, you've got time on hand for this
• Midnight to 4 a.m., at sea
• See 21
• Keep an eye on dog?
• Guard marking time
• Observe - guard
• Observe - timepiece
• Keep an eye on — timepiece
• Vigilant guard
• 'Check this out'
• Timekeeper
• Do guard duty
• Thunder Bay _____