that's a 39mm case 19 lug width, right ?
u do a lot of your own work...is this a pop off case back ? can u pop it off ? ( nice view of nautilus rotor perlage )
i remember being " excited " about getting this 80 hour power reserve a few years ago...and then after the unboxing i realized the 80 hour power reserve really did not matter to me and was no benefit to my occasion use requiring re-set on each wear ( imho an 80 hour power reserve lets u lay her down friday miller time grab & go without a battery mon morning coming down so it's a helpful complication for going to work ... )
i remember a ROAD WARRIOR post saying this engine is maybe less accurate...
-so I am on the hunt for a new , clean look...this one is in the direction I am pointing... it's nice ...but my quest for the holy grail continues... good hunting BD