Officine Panerai

Just wondering why Panerai decided not to send their in house made movements for COSC testing?

but I believe that a) their internal testing makes more sense since the entire watch is tested and not just the movement without the case like at COSC b) COSC charges money for their certification and a lot of manufacturers now including Panerai came up w... 

It used to be very important long time ago, but in today's age of technology, a brand may not want the added expense of getting COSC certification just to have that label when they know their movements run well within COSC standards from their own testing...