ok.. you have 3 options:
a) buy an UPO from one of the dealers here and buy parts (from Ofrei or cousins UK) and send it to a modder like The Zigmeisterman or vac..
b ) put up a wanted sign for it
c) email/PM vac or The Zigmeisterman and ask them to build one for you.. ( they buying the parts & the watch)
duartion... um...depending on how busy the modders are... prolly about 4 months??
$ - (breakdown) UPO $280, gen dial $200, gen crown/tube $60, gen hands $50, gen bezel $200, gen crystal $200
looks like you want to go the "get it build for you" route... so i suggest contacting one of the modders here..
Good luck!