Royal Oak Audemars Piguet, Genève, "Royal Oak Automatic," No. 663. Made in the 1990s. Fine, tonneau-shaped, self-winding, water-resistant, stainless steel and 18K yellow gold wristwatch with date and an integral stainless steel and yellow gold Audemars Piguet bracelet with concealed deployant clasp. Accompanied by a fitted box. Three-body, bicolor, polished and brushed, octagonal bezel with 8 octagonal white gold screws and 8 white gold screws on the case back, screwed-down hexagonal winding-crown, sapphire crystal. Textured anthracite with applied luminous yellow gold indexes, aperture for the date. Luminous yellow gold baton hands. Cal. 2125, rhodium-plated, fausses cotes decoration, 36 jewels, straight-line lever escapement, monometallic balance, shock absorber, self-compensating flat balance spring. Dial, case and movement signed. Dim. 36 x 46 mm. Thickness 8 mm.