Korea won the final match in the Ballsbridge energie Fitness Club test series with a 4-3 win against Ireland.
Conor Harte drag was expertly finished to give Ireland a first quarter 1-0 lead.
Korea were level through Jung Jun lee.
Ireland regained the one goal advantage when after lovely work by Watkins on the base line he set up Alan Sothern for the finish and a 2-1 lead.
Namyong Lee made it 2-2 has he tapped in at the near post.
Korea took the lead after a turnover and counter attacked at pace for a lovely finish by Manjae Jung in the 37th minute.
They stretched their lead from a penalty stroke, Jihun Yang duly dispatching, in the 44th minute after a PC had been stopped by Gleghorne on the goal line.
Ireland threw everything at Korea in the final quarter and got one back from a Shane O Donoghue drag from a PC in the 50th minute but failed to get the equaliser. Watt, who was later named Ballsbridge énergie Fitness Man of the Match, won Ireland a PC but this time the switch at the top was charged down by the Korean defence.