Audemars Piguet Royal Oak Chronograph Frosted Yellow Gold Black Subdials Reference # 26240BA.GG.1324BA.01
41mm diameter x 12.4mm height - 18k white or yellow frosted gold - polished chamfers and accents - screw-lock crown and pushers - glareproofed sapphire crystal dial front and caseback - 50m water-resistance.
Grey or yellow-toned dial to match case material - Grande Tapisserie pattern - applied yellow or white gold indices and Royal Oak hands with luminescent coating - tone-on-tone date window at 4 o'clock - black counters with snailing - 24k gold hand-applied Audemars Piguet signature.
Calibre 4401 - automatic in-house integrated flyback chronograph with column wheel and vertical clutch - 4Hz/28,800vph -381 parts - 40 jewels - 70h power reserve - hours, minutes, small seconds, chronograph with 30-minute and 12-hour counters and date.
Integrated 18k white or yellow frosted gold - AP folding clasp.