The Audemars Piguet Royal Oak Concept Tourbillon Chronograph Openworked Selfwinding ref. 26587TI.OO.D010CA.01 has a 44 mm titanium case and the self-winding Calibre 2949. Self-winding Calibre 2949, 65 h power reserve; Functions: tourbillon, chronograph, hours, minutes, 30-minute counter, second counter and minute counter; Case: Sandblasted titanium case, glareproofed sapphire crystal and caseback, black ceramic pushpieces and screw-locked crown, sandblasted titanium pushpiece guards. Diameter 44 mm, thickness 16.2 mm, water resistant to 100 m; Dial: black 30-minute counter with white indications, openworked white gold hands, black inner bezel with white transfers; White rubber strap with titanium AP folding clasp. Additional black rubber strap. Full set. Maker: Audemars Piguet. Reference: 26587TI.OO.D010CA.01. Available through ELITA's private desk — verification review, discreet handling and storage. Price on request. Case Size: 44mm. Case Material: Titanium case. Movement: Automatic — Calibre 2949. Dial: Black 30-minute counter with white indications, openworked white gold hands, black inner bezel with white transfers. Bracelet/Strap: White rubber strap with titanium AP folding clasp. Additional black rubber strap. Complications: Tourbillon, chronograph, hours, minutes, 30-minute counter, second counter and minute counter.