It will be the third time that he will be appearing in the $1-million Asian Tour flagship event. Watson has finished runner-up and joint 30th in his last appearances.
Last month the big-hitting left-hander won the WGC-HSBC Champions in Shanghai, which means that an inform Watson could be the man to beat this weekend.
"The win in China has given me the confidence that I can win outside the USA," said Watson. "It was pretty special."
Watson added that he hoped he could win at Amata Spring like he did last week in Shanghai.
"It is a challenging course. Last year the rough was very tough. You have to hit the fairways if you want to win," he said.
The Masters winner is expected to have tough competition over the weekend from the likes of Spain's defending champion Sergio Garcia, US Open champion Martin Kaymer of Germany and England's Lee Westwood.