Rare Cartier Tank Louis in 18k yellow gold

Manufacturer: Cartier
Reference:
Year: late 50’s
Material: 18k yellow gold
Caliber: rare calibre K821 ( Jaeger-LeCoultre)
Size: 23’5mm without the crown and 30’5mm lug to lug.
Remarks: with cream “Paris” dial with stamped Roman numerals, blued steel hands. It comes with 18k pink gold deployant buckle. In amazing condition.

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