Video shows one of the robbers pointing a gun at the 27-year-old victim.
It happened on March 16 at 3:50 a.m. near Nagle Avenue and Dyckman Street.
Police say two men followed him into his building's lobby before forcing their way into his apartment.
Once they were inside, they tied him up with an extension cord and stole jewelry along with $100,000 in cash.
They took off in a white BMW SUV driven by a third man.
The only description of the wanted individuals is that they were Hispanic men who wore dark-colored clothing.
Anyone with information in regard to this incident is asked to call the NYPD's Crime Stoppers Hotline at 1-800-577-TIPS (8477) or for Spanish, 1-888-57-PISTA (74782).
ALSO READ | Long Island mother gets new lease on life with double lung, heart transplant
t
NY mother get new lease on life with double lung, heart transplant
----------
* Get Eyewitness News Delivered
* More Manhattan news
* Send us a news tip
* Download the abc7NY app for breaking news alerts
* Follow us on YouTube