Collins finished ahead of Trinidadian Marc Burns and American Caliseo Newman with a time of 10.11.
Collins’ next stop will be Crystal Palace in London this Friday and Saturday.
Speaking after the race Collins said, “10.11, was happy to win this one in Sottville tonight. Next stop, Crystal Palace in London this Friday and Saturday…This is the final Olympic preview… Last chance to make a statement.”
Collins is among three of missing athletes of the St. Kitts Olympic squad who have already arrived in England ahead of the London Olympics.