This is a very rare 1960s jumbo Anonymous Tank Square watch in 18k yellow gold. It is almost identical to the Cartier Tank Square, but it is larger and made of solid gold instead of gold-plated or silver. This watch is a real bargain compared to the current prices of vintage Cartier watches. The watch has all of its numbers and hallmarks fully intact and visible. The original dial has a gorgeous vintage look, with nice patina and some small spots. The watch is running well and is powered by a high-quality manual wind movement. It comes on a brand-new Hermès style Epsom leather strap and Cartier style buckle. This stunning and very rare watch is in overall good condition.