Item Description:

Having a platinum art deco openwork case and openwork loop form chain setting 78 melee diamonds, manual wind Swiss movement with sapphire cabochon crown after Cartier, with a later contemporary gold chain added; case interior marked 'Cheva' within a crown, 'Platine" and 'Camantie' (sp?); l. 6-1/2 in., total weight 26.2g