Related Clues:
- Keeping one's eyes peeled at crumbling alter
- Watch chain not originally belonging on watch?
- Warn head to display vigilance
- Like a good lookout
- Wake-up call, say
- Not easy to fool
- Fit for guard duty
- Warning - answer the French resistance on time!
- Tornado siren, e.g
- Keep one's eyes peeled for later trouble
- Keeping one's eyes open for later model
- Like a good watchdog
- Awake, attentive
- One who crooned Love is a Game
- Watchfully awake