Santos-Dumont watch, large model, quartz movement. Steel case, beaded crown set with a blue synthetic cabochon-shaped spinel, satin-brushed silver dial with sunray effect, Roman numerals, blued-steel sword-shaped hands, sapphire crystal Strap in navy blue alligator leather, with steel ardillon buckle. Case dimensions: 43.5 mm x 31.4 mm, thickness: 7.3 mm. Water-resistant up to 3 bar (approx. 30 meters/100 feet).