Rolex Daytona Steel Yellow Gold Inverted 6 Chronograph Mens Watch 16523. Officially certified chronometer self-winding movement. Stainless steel and 18K yellow gold case 40 mm in diameter. Special screw-down push buttons. 18K yellow gold tachymeter engraved bezel. Scratch resistant sapphire crystal. Champagne dial with yellow gold outlined subdials and baton hour markers. Luminous hands and hour markers. Stainless steel and 18K yellow gold oyster bracelet with flip-lock clasp. Fits 7 3/4″ wrist.