In addition to the man in the suit, another robber wore a black bucket hat and the third a red bandanna on his head, the video shows.
"Do you know these guys?" the NYPD tweeted Tuesday with a post of the surveillance video.
🚨WANTED for ROBBERY: Do you know these guys? On 8/25/19 at approx 12:02 PM, inside of 28 W 47 St in Manhattan, the suspects displayed firearms and tied up four individuals before taking an undetermined amount of jewelry. Any info call @NYPDTips at 800-577-TIPS. pic.twitter.com/9K4CctRj5n