What movement is this?

[Hamptons28]

http://img15.imageshack.us/img15/51/photopyl.jpg
http://img832.imageshack.us/img832/5695/photo390s.jpg


Please help me out, thanks =) The watch is a cartier ballon de bleu rep

 

[md2020]

Looks like a 21j

Sent from my PB99400 using Tapatalk 2

 

[Rick914]

Dg2813 copy. 21J 21.6K bph.

 

[d4m.test]

Dg2813 copy. 21J 21.6K bph.

+1 Agreed.

dave

 

[Hamptons28]

Thanks guys

 

[waterluver]

Dg2813 copy. 21J 21.6K bph.

i would only trust this guy if you want the truth--rick knows that he is talking about!!! well done all