Tank Louis Cartier
The Tank Louis Cartier is the purest surviving form of the watch Louis Cartier drew in 1917 and put into production in 1922. Where later Tanks got busier, wider, or dressed up in steel, the Tank Louis kept the recipe intact: a rectangular case in solid gold, two rounded brancards running down each side, a railroad minute track, painted Roman numerals, blued sword hands, and a sapphire cabochon set into the crown. It is a small watch by modern standards and it is meant to be. The current large model measures 33.7mm tall by 25.5mm wide and sits about 6.6mm thick, so it disappears under a cuff the way a dress watch should. We handle Tanks constantly at our counter on 47th Street, and the Tank Louis is the one we tell people to buy when they want the real thing and not a lookalike. It has been on the wrists of Jackie Kennedy, Andy Warhol, and Yves Saint Laurent, and it still looks correct on a wrist in 2026. If you want a gold Cartier that reads as taste rather than flash, this is the reference point every other Tank is measured against.
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Specifications
History
Iconic References
Buying Guide
Pricing & Market Data
Cultural Significance
Collector's Lore
The detail collectors chase on vintage Tank Louis pieces is the signature line on the dial. A watch marked 'Cartier Paris,' 'London,' or 'New York' from the pre-1970s era of small-batch, largely hand-finished production commands more than a later mass-market piece, and dial originality is everything because repainted or replaced dials kill the value. The other quiet tell is the sapphire cabochon in the crown: it is the single design element that has survived from 1922 to today, and its presence and condition are part of how the model reads as correct. Then there is the movement irony collectors enjoy, that the modern large model's caliber 8971 MC descends from a Jaeger-LeCoultre movement, the same house behind the Reverso the Tank is so often compared to. And the piece of lore that sets the ceiling for the whole model: Jackie Kennedy's gold Tank Louis, a gift from Prince Stanislaw Radziwill, sold at Christie's in 2017 for $379,500, proving that on this watch the wrist it lived on can be worth many times the gold and the movement combined.
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