Audemars Piguet Royal Oak 26240ST.OO.1320ST.01 chronograph — HBF Factory 2025 flagship 50th Anniversary edition.
Market top-tier version (original mold development, three-piece case construction, 1:1 recreation, optimized for slim profile and refined finishing, designed to avoid obvious visual discrepancies).
Equipped with a 7750 chronograph movement consistent with the original layout, featuring a small seconds at 6 o’clock.
Case made of 316L stainless steel with a three-piece construction. Finished with brushing and partial polishing, delivering a refined yet strong industrial aesthetic.
Applied logo design enhances three-dimensional visual depth, avoiding flat printed effects commonly seen in lower-tier versions.
Bold and substantial 41mm case size with 14mm thickness, offering strong wrist presence.
High-performance luminous coating ensures clear readability in low-light environments.
HBF Factory spent 16 months developing this 1:1 recreation, focusing on craftsmanship refinement and structural accuracy. Positioned as a premium enthusiast-grade chronograph within the Royal Oak-inspired lineup.




