his Royal Oak 26574ST-inspired model is designed based on the aesthetic language of the Audemars Piguet, focusing on functional integrity, structural precision, and classic sports-luxury styling.
Case & Dimensions
The watch features a 41mm stainless steel case crafted from 316L steel, precision CNC-machined to ensure consistent density and refined structural accuracy aligned with original proportions.
Movement
Equipped with a custom Cal.5134 automatic movement, designed to replicate full perpetual calendar functionality, including date, day, month, and moon phase, all operational and visually synchronized.
Dial Design
The dial is finished in original-matching tones, emphasizing clarity, symmetry, and visual depth consistent with the Royal Oak aesthetic standard.
Case Construction
The case adopts a three-part structure (bezel, mid-case, and caseback), carefully assembled to maintain angular geometry and brushed finishing consistency across all surfaces.
Bracelet Options
Multiple strap options are available, including stainless steel bracelet, rubber strap, and leather strap, allowing flexible styling for different wearing preferences.
Overall Style
This model reflects the signature design DNA of the Audemars Piguet Royal Oak Perpetual Calendar series, emphasizing mechanical functionality, structural refinement, and iconic sports-luxury presence.




