Introducing Audemars Piguet Royal Oak Concept (ref. 26221FT.OO.D002CA.01), a refined timepiece that blends thoughtful design with reliable performance. A study in proportion and durability: measuring 44 mm in diameter. The caseback is open, and the crystal is sapphire. The dial composition is deliberate and legible: a skeleton tone, framed by stick / dot hour markers, and stick hands. Beneath the caseback lies dependable performance: the AP 2923 caliber. Issued as a limited edition, appealing to focused collectors. Initial production year: 20152016. Comfort and balance define the wearing experience, making it an easy daily companion. Subtle transitions between textures elevate the overall impression. For buyers researching specifications and real-world impressions, this reference stands out for coherent design, dependable mechanics, and lasting relevance within modern horology.