Santos-Dumont watch, limited edition of 200 individually numbered timepieces, XL model, Manufacture mechanical movement with manual winding 430 MC. 18K yellow gold (750/1000) case, beaded crown set with a blue sapphire cabochon, matte guilloch-effect dial, blue dumortierite Roman numerals, apple-shaped polished steel hands, sapphire crystal. Case back engraved with the signature of Alberto Santos-Dumont. Blue alligator-skin strap, 18K yellow gold (750/1000) ardillon buckle. Case dimensions: 46.6 mm x 33.9 mm, thickness: 7.5 mm. Water-resistant up to 3 bar (approx. 30 meters/100 feet).