Pioneering designer Louis Cartier imagined the Tortue watch, a tortoise-inspired shape, in 1912. At a time when all watches were round, the groundbreaking design went on to become a classic.
| Movement | Winding |
| Mechanical | Manual Winding |
| Material | Calibre |
| Slate-colored openwork guilloché dial, silvered openwork satin-brushed grid with sunray effect and black transferred Roman numerals, slate-colored satin-brushed flange, snailed counter and blued-steel apple-shaped hour and minute hands. | 9422 Calibre, Manufactured by Cartier |
| Dimensions | Water Resistance |
| Diameter: 45 mm Thickness: 16.8 mm | Water-resistant to 30 meters/100 feet. |
