Related Clues:

• Nice round number
• Coffee-break hour
• Easy multiplier
• Coffee-break time, perhaps
• Symbol of gymnastic perfection
• Night tune
• Pub array
• Bill with Hamilton
• Break time, maybe
• Commonly used numerical base
• Toe total
• Highish card
• Pearl Jam album
• Slightly less than a dozen
• Perfection, to Retton