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Patek Philippe

yes, but..

 

but if you hold the wg in your hand, without having felt the platinum, how would u know which is which? 19.3 v 21.4g/cm3 sems too close a call without having both metals in front to diffrentiate.

i am sure if given a piece of metal with no indiction wg or pt, we would not tell the difference unless we have pior experience.

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