Citizen Men's Eco-Drive Canvas Strap Watch #BM8180-03E worn by Nate Archibald (Chace Crawford) in Season 3, Episode 12 “The Debarted”
Similar Match
“Nate is talking with Serena on the phone. He is wearing the watch with a navy v neck sweater. The watch pictured is a similar watch with a black band and silver face.”