Related Clues:
- Guard marking time
- Keenly anticipating going-home time, like Westminster sightseers?
- Observe - guard
- Observe - timepiece
- Keep an eye on — timepiece
- Vigilant guard
- 'Check this out'
- Use for seed head of a dandelion?
- Grandfather, for one
- Do guard duty
- Thunder Bay _____
- Instrument that hints at the missing parts of certain answers in this puzzle
- Cuckoo ___
- Second-hand item?
- Big Ben