Trident have a look at these videos if you want to know more:

http://www.youtube.com/watch?v=Zepk66suT6g

http://www.youtube.com/watch?v=U_fXAGuyIfU

http://www.youtube.com/watch?v=uhmr22swEao

http://www.youtube.com/watch?v=MbIb2p140sU
  more...
http://www.youtube.com/watch?v=4es76L0hNsE

http://www.youtube.com/watch?v=0RRmY4P-YoM  less

This is my Rolex Yacht-Master 18622 watch collection. For inquiries regarding quotation, additional pictures and further details, please see ABOUT ME, or visit gucci-lv.com or gucci-lv.net.or email us   more...at guccilvcom@gmail.com .Thank you!  less