Santos-Dumont watch, large model, mechanical movement with manual winding caliber 430 MC. 18K rhodiumized white gold case set with 59 brilliant-cut diamonds and 7-sided crown set with a brilliant-cut diamond, totaling 2.48 carats. Silver-grained dial. Black oxidized steel sword-shaped hands. Sapphire crystal. Black semi-matte alligator-skin strap with 18 mm adjustable 18K rhodiumized white gold folding buckle. Length: 44.48 mm, width: 34.6 mm, thickness: 5.58 mm. Water-resistant to 30 meters/100 feet.