Carjackers stole a man’s $400,000 Rolls Royce and $85,000 Patek Phillippe watch at gunpoint after boxing the luxe vehicle in on a Queens street Friday morning, police and sources said. The 34-year-old victim was driving the 2024 luxury ride when he pulled over at 5:20 a.m. because he noticed that his trunk was open, cops said.