By "wokky" he means that the inner rehaut ring,(the metal ring between the dial and crystal... is angled in towards the dial. A gen GMT would have a rehaut that was a bit more cylindrical and would have such angular sides.. (like a WOK)..
The PO.. does appear to be a UPO from the second hand.. It's still hard to be 100% sure because your shirt is blocking a crucial part in determining whether it's a PO.. THE HE VALVE! Do you have any head-on shots of the watch but without the HE valve being covered by your shirt?