Cartier London Tank J.J.C. Allongée

About this reference

The Cartier London Tank J.J.C. Allongée in 18k white gold is a rare mid-century variant produced during the 1960s and 1970s under the direction of Jean-Jacques Cartier. Collectors prioritize this reference for its distinct London-specific case construction, which features a more pronounced curve and elongated proportions compared to Paris or New York models. The watch typically houses a manual-wind Jaeger-LeCoultre caliber 841 or a similar ultra-thin movement. The dial is characterized by the "London" signature at six o'clock and elongated Roman numerals. White gold examples are significantly rarer than yellow gold counterparts, often appearing only at specialized auctions. Secondary market prices for well-preserved white gold specimens generally fall within the mid-to-high five-figure range, though exceptional examples have reached low-six-figures. A notable 1975 model sold at a 2021 Loupe This auction for approximately $105,000, highlighting the premium placed on London-signed white gold cases.