Upper Merion police were studying surveillance video from the robbery at Tourneau Jewelry on Wednesday evening, trying to determine if the suspects are the same bandits who have been hitting jewelry stores since late March.
In the King of Prussia robbery, the thieves got away with 18 Rolex watches worth $576,700 after ordering people to the ground and smashing a case with a hammer. One suspect had a gun.
The robbers are described as black males, between 5`6" and 6` tall. Two had average builds and one had a heavier build. Two had bandanas covering their faces and one, who had a beard, was wearing a green hat with an orange brim, light blue long-sleeved dress shirt, tan pants and a tie.
The only injury reported in the robbery was from one of the shoppers who suffered a minor laceration on his elbow from broken glass as he was forced to the floor.
Upper Merion Police ask that anyone with information on the robbery call them at 610-265-3232.
Meawhile, Limerick Township police have released surveillance video of jewel thieves in action.
The robbery in Limerick began when the two men entered the Zales jewelry store at the Philadelphia Premium Outlets mall Monday.
They then implemented their plan by distracting the employees.
"The first male asked for one of the associates to write down some information about a piece of jewelry, as both of the ladies do this, the second male pulls out a handgun," Limerick Police Detective Ernie Morris said.
Police say the two men, one with a handgun, then pulled out trash bags and ordered the associates to load them with high end bridal jewelry. The bandits then tell the employees to go in a back room and they slowly walk out.
"They came in calmly, they asked the ladies to do what they wanted very calmly. They were not in a rush to run out of the store; they took their time," Morris said.
Investigators believe the two men are responsible for an armed robbery at Von Gehr's Jewelry earlier in the day in New Holland.
Police are trying to link the pair to a couple more jewelry store robberies in South Jersey, including one in Jackson that Action News reported on in June.
Police suspect the duo is part of a larger organization.