Possible Clues:

• Watch has seconds and date
• Secret surveillance by police
• Put under surveillance
• Surveillance operation officers finally given fast food
• Place under surveillance first of suspects, then kill
• Police action to head off sake getting into Guinness, say?
• Maintain watch on second escort
• Leader of spies beginning separate surveillance
• Porter boxing fish, not hard to watch closely
• Keep an eye on punter's money on the table?