The "pre-Must'' Cartier Tank Organic refs. 20611 (medium) and 21611( jumbo) were produced in the mid-'70s by both Cartier London and
link Cartier New York in a rare Brazilian rosewood known as Palissandre De Rio. The watch had wooden side panels and a matching-grained wood
link dial with a plated yellow gold
link case, gold Roman numeral hour markers, and gold epee hands.