9 out of 10 times, the term 'goldwrap' is used for gold plate, which is incorrect, an example of wrapped gold:
Apart from the durability, the wrapped gold also has problems, gold quality very low and mixed with materials which can oxidize(?). the folowing pic shows what eurotimez also showed us, when scratched, the scratch turns black:
I dont think this method is possible on complex shapes like a watchcase. Most likely its some sort of gold plating. I still have to find a dealer who can explain to me what exactly is the difference between 'thick gold plate' and 'tripple wrapped'.