It is the big-hitting left-hander's third appearance at the $1 million Asian Tour flagship event and after finishing runner-up and joint 30th in the past two years, he is hoping to make it third time lucky.
The 36-year-old Watson enjoyed his first tournament victory outside the US at the WGC-HSBC Champions in Shanghai, China, last month and it has made him hungry for more international victories.
The world number four said he hoped he could play at the same high level this week at Amata Spring.
"It’s a challenging course," said Watson. "Last year the rough was very tough. You have to hit the fairways if you want to win."
Watson heads a star-studded field which includes defending champion Sergio Garcia, reigning US Open champion Martin Kaymer and England's Ryder Cup star Lee Westwood.
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