SAN ANTONIO — One teen is facing aggravated robbery charges after police say he pulled a knife on another teen who was trying to sell him some watches on the South Side.

Officers responded to the incident just before 2:00 p.m. Saturday in the 7700 block of Zarzamora.

Police say a 17-year-old was meeting up with an 18-year-old suspect to sell him two watches. During the sale, the suspect drew a knife and fled in a vehicle with the two watches. Officers were able to locate the suspect’s residence and waited for him to arrive home.

The suspect was arrested without incident and the two stolen watches along with a stolen handgun were retrieved after police searched the vehicle.