70 Cartier An important, unusual and very rare, Tank Allongée, rectangular-shape manual wristwatch in yellow gold, with prominent rounded lugs and roman numerals dial.

Estimate: Fr. 15'000 –⁠ 30'000

• Model Tank Allongée
• Year Circa 1930s
• Case Material 18K yellow gold
• Case Number 10'397
• Bracelet Material Leather strap
• Movement Manual, 15 jewels
• Movement Number 437'288
• Dimension 23mm width x 37mm length
• Signed Case, dial and movement

The Cartier Tank Allongée represents one of the most elegant evolutions of the Tank family, distinguished by its elongated proportions and refined linearity. Produced at the Cartier Paris boutique, the model reflects the Maison’s continued exploration of the rectangular form, emphasizing verticality and balance while preserving the timeless codes established by the original Tank. The present example is crafted in yellow gold and fitted with a particularly attractive dial signed “Cartier France.” It features classic Roman numerals, chemin de fer minute track, and blued steel hands, all arranged within a composition of remarkable restraint. The sapphire cabochon set into the winding crown provides a subtle yet unmistakable signature of the Maison. Notably, the case construction differs from the more commonly encountered Tank executions. Rather than the traditional four screws securing the brancards, this watch features a snap-on case back. The case bears London import hallmarks and is signed with the old JC hallmark (Jacques Théodule Cartier), highlighting its provenance and the Maison’s practice of marking pieces for export while maintaining Parisian manufacture. The watch is powered by a European Watch & Clock Co. movement, frequently used by Cartier during the period, reflecting the collaborative manufacturing practices typical of the Maison’s Paris workshops. Elegant, uncommon, and visually striking, this Tank Allongée embodies the understated sophistication of Cartier design, where refined proportions and subtle variations in construction elevate an already iconic form into something distinctly rare.