@calibrevintagewatches: This Cartier Tank Louis "Extra-Plate" features a solid 18k yellow gold case and is powered by the prestigious Frédéric Piguet caliber 21 (Cartier Cal. 96), one of the thinnest hand-wound movements ever made. 23x30mm. 1980-1990’s SOON AVAILABLE #cartiertank #cartier #watch #calibrevintage