21. Cartier. An 18K gold quartz wristwatch Model: Tank Reference: 2442 Date: Circa 2005 Movement: 4-jewel Cal.057 quartz Dial: Silvered, black Roman numeral hour markers, secret signature at 10, black inner minute track with 5 minute markers, blued steel sword hands Case: Brushed and polished rectangular form, back secured by 8 screws, cabochon set crown, No.88391QX Strap/Bracelet: Orange leather Buckle/Clasp: Signed 18K gold buckle Signed: Case, dial & movement Size: 22mm Weight: 33,81gr The Cartier Tank is one of the most iconic watches in horological history. Introduced in 1917, its rectangular design was inspired by the silhouette of the Renault tanks of World War I. The case, with its clean lines and sharp angles, exudes timeless elegance. Its classic dial, often featuring Roman numeral hour markers, an inner minute track, and blued steel sword hands, reinforces its distinctive identity. It represents a perfect fusion of sophistication, simplicity, and modernity. Over the decades, several versions have been developed: Américaine, Asymétrique, Basculante, Cintrée, Chinoise, Française, Louis Cartier and Tank à Guichets. Worn by notable figures around the world, it has become a true symbol of style and prestige. More than a timepiece, the Cartier Tank is a horological legend that transcends generations.