Piaget Tank Onyx and Diamond Dial Box and Papers Ref 90802Piaget is having something of a revival at the moment and especially with its stone dial watches, which are always highly sought after by collectors. This is a beautiful watch in yellow gold has a fascinating onyx and diamond dial and maybe the coolest strap ever The yellow gold Tank form case is in excellent condition. The dial is in onyx with diamonds in the centre with no lume and matching dauphine hands. The watch comes on the original black