Santos-Dumont watch, large model, quartz movement. Steel case, 18K yellow gold (750/1000) bezel, beaded crown with a synthetic blue cabochon-shaped spinel, gray satin-brushed dial with sunray effect, golden Roman numerals, polished golden-finish steel sword-shaped hands, sapphire crystal, gray alligator-skin strap, 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).