Rolex ref: 5512, 5513, 1665, 5517, 5514, 1680 and Tudor 7928, 7021, 7016, 94110, 79090 all have the same bezel assembly. Is this include the retaining ring? How about the id?
Genuine case is the same for Rolex 5513/5512/1680/Milsub 5517/Sea-Dweller 1665/Tudor Sub 9401
and some nice references http://www.network54.com/Forum/207593/thread/1319038416/FAKE+case+experience+with+5512+PCG
http://www.rwgforum.net/topic/91065-blancpain-fifty-fathom-vintage-watch-ff95/
http://www.rwgforum.net/topic/91067-blancpain-fifty-fathom-vintage-watch-ff-07/
http://www.rwgforum.net/topic/97429-blancpain-fifty-fathom-vintage-watch-ff-01-with-polished-case-and-red-arrow-hands/
http://www.rwgforum.net/topic/94276-blancpain-ff01-and-ff02/
http://www.rwgforum.net/topic/93081-blancpain-fifty-fathom-vintage-watch-ff-21/
Here all FF & TR by Davidsen
Genuine rolex military 5517 have a 2mm welded lugs, to prevent the watch from being accidentally lost underwater and it is issued on a NATO strap made by Phoenix UK.
A fantasy watch custom made for a Japanese Collector by a Hong Kong Watch Maker from Swiss parts assumably for US Marine Corps . Phew..... more details from http://corvuswatch.blogspot.com/2011/09/greatest-rolex-that-never-was.html