Next, we verify that the crown cabochon fits correctly, has no wiggle room around the diameter of the stone and is made from the correct stone - sapphire for all 18k models and spinel for two-tone.Ĭartier also does high-end finishing of their movements - i. What elements of craftsmanship do you expect to see on an authentic Cartier Tank watch? I look for high-quality finishing of the case, dial and movement.Īll edges on a genuine Cartier case should be smooth to the touch with no sharpness or metal burs. Hallmarks, signatures and stamps should all line up with the hallmark conventions of the moment that we believe it to be produced to confirm that. Louis Cartier transformed the Tank watch into a beacon of luxury, forever making horological history. The unisex, understated timepiece - with its expert craftsmanship, clean lines and effortless design - is the embodiment of modernity, a far cry from the ornamentation and sweeping, organic shapes of the lateth century Art Nouveau aesthetic. The Cartier Tank watch has remained a classic for good reason.