Related Clues:

• Be parsimonious
• Work shift
• Stretch of time
• Piece of work found in this puzzle's longer entries
• Twelve-hour shift, e.g.
• Small sandpiper
• Time on a job
• Service period
• Stretch at work?
• Be grudging
• Time in the army, say
• Period of time served
• Time served
• Stretch on the job
• Stretch in the service