That's pretty clearly a "quattro" based movement (see picture of the movement in theOctober 25 2006 at 3:24 PM
|ThomasM (no login)|
Response to Help identifying model ...
masthead) but I would have to look into the specific reference number for that case and dial.
Very advanced movement design, in house design and production, and top of the line finishing.
By all accounts, exceptional chronometric performance too; well worth looking into.
Perhaps someone else has more specifics?