Audemars Piguet Men's Royal Oak Tourbillon Extra-Thin 18K Yellow Gold Slate Grey Skeleton Dial Watch Ref: 26513BA.OO.1220BA

8 screw fixed yellow gold bezel; Octagon shaped case in solid 18kt yellow gold, size 41mm diameter and thickness 8.95mm; Yellow gold-tone bracelet matching the case; Slate grey skeleton dial revealing internal components with gold-tone hands and index hour markers; Minute markers around outer rim for enhanced readability; Analog display featuring luminous-coated hands and markers ensuring legibility in low light; Powered by Audemars Piguet Calibre 2924 manual winding mechanical movement containing 25 jewels and composed of 216 parts; Approximate power reserve duration is up to 70 hours; Scratch resistant sapphire crystal provides a durable protective dome over the dial; Skeleton transparent exhibition see-through case back showcases the movement details; Watch secured by a deployment-style clasp with push button release mechanism; Water resistance rated at 200 meters or approximately 660 feet, suitable for swimming and snorkeling but not scuba diving; Includes complications such as tourbillon regulation system for precise hour and minute measurement while in motion, power reserve indicator display.