New surveillance video shows the suspects, one armed with a gun, robbing Kenjo Jewelers on West 57th Street on August 25.
The NYPD says just a day earlier the same suspects and another man robbed a jewelry store in Greenwich Village.
Between the two heists, police say the thieves stole more than a half million dollars worth of jewelry.
Anyone with information in regard to this incident is asked to call Crime stoppers at 1-800-577-TIPS (8477). You can also submit their tips by logging onto the Crime stoppers website at www.nypdcrimestoppers.com or by texting tips to 274637 (CRIMES) then enter TIP577. All calls are strictly confidential.