Vintage white gold Baumé and Mercier ladies formal watch.This watch was a gift to my mother purchased in the mid 1970’s and purchased in Mexico City.It is an oval white gold watch with a green malachite face and surrounded by 32 diamonds. Fine mechanical movement with manual winding, winding crown set with blue sapphire cabochon.It comes with the original box which has some wear.The watch itself has a few scratches on the underside.It is a very rare Baumé and Mercier

　　watch designed for Piaget of Mexico.