Baume & Mercier 14K Gold Case And Back Tank Watch Black Leather Women’s Swiss. This is a beautiful women’s watch in the classic tank style with 14K gold case and caseback with a white dial and Roman numerals. It has a genuine black leather band. This watch is in very good condition with minimal signs of wear. I do not guarantee it will come with a working battery. I only guarantee that it runs perfectly. Any new battery will be the responsibility of the buyer.