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Description
BBSF Audemars Piguet Royal Oak Tourbillon 26522ST
A highly capable true flying tourbillon replica that accurately captures the complex Tapisserie Evolutive dial and the critical 11.1mm case profile.
Powered by Custom Cal.2924 Tourbillon Clone
The manual-wind movement is engineered specifically to support the 60-second flying tourbillon at 6 o��clock. By eliminating the upper bridge, the open-worked tourbillon cage rotates continuously, providing both visual dynamism and active escapement regulation. The movement architecture maintains structural stability while mimicking the intricate aesthetics of the genuine Audemars Piguet caliber.
卤10��15 s/day. This represents the standard acceptable tolerance for complex clone tourbillon movements, ensuring reliable daily performance.
- �� Power Reserve: Approximately 36 hours
- �� Complications: 60-second flying tourbillon
- �� Winding Direction: Manual wind
Technical Specifications
41mm diameter with an 11.1mm thickness. Showcases precise brushed and polished alternating finishing across the case and integrated lugs.
The radiating sunburst pattern originates from the tourbillon aperture, with crisp printing and well-defined applied hour markers.
Signature octagonal shape with eight aligned hexagonal screws, featuring a pronounced brushed top surface and highly polished chamfered edges.
Features the iconic tapering profile with tight tolerances between links to ensure a proper integrated bracelet fit, finished with an AP double deployant clasp.
Why BBSF for This Reference?
Many collectors ask: ��Why not APSF or ZF for a Royal Oak?��
While APSF dominates the standard three-hand references, BBS Factory specialized specifically in the manual-wind tourbillon architecture for the 26522ST. They successfully integrated a true flying tourbillon while retaining the critical 11.1mm thickness, a feat often missed by lower-tier factories that rely on thicker automatic base movements.
Full Disclosure: The manual-winding gear train exhibits a slightly stiffer tactile feedback compared to the authentic Cal.2924.
LIVE PREVIEW
Data Sheet
| MODEL REFERENCE | 26522ST.OO.1220ST.01 |
| FACTORY / VERSION | BBS Factory Edition |
| MOVEMENT | Custom Cal.2924 Clone |
| CASE MATERIAL | 316L Stainless Steel |
| WEIGHT & THICKNESS | 190.8g | 11.1mm |
| CRYSTAL & LUME | Sapphire with Colorless AR | Super-LumiNova |
| DIMENSIONS | 41.0mm � 51.0mm � 11.1mmManual measurements �� minor tolerances apply. |
| WATER RESISTANCE | 30m stated �� professional pressure test recommended before swimming |
Collector Q&A
Q: Does the tourbillon on this BBSF 26522ST actually function or is it just an open heart?
A: It is a fully functional, true 60-second flying tourbillon. The entire escapement rotates within the cage at the 6 o��clock position to regulate the timekeeping, exactly as intended.
Q: How accurate is the 11.1mm thickness compared to the genuine Audemars Piguet?
A: The genuine 26522ST measures 10.6mm thick. At 11.1mm, the BBSF version is only 0.5mm thicker, which is exceptionally close for a replica tourbillon movement and imperceptible on the wrist.
Q: Is the purple dial color accurate to the genuine ��Plum�� reference?
A: BBSF has achieved a very close match to the genuine ��Tapisserie Evolutive�� plum purple. The sunburst effect radiating from the tourbillon is correct, though it may appear marginally darker under dim, indoor lighting conditions.
Q: What is the biggest known quirk with this specific replica movement?
A: Because it utilizes a custom manual-wind tourbillon caliber, the winding action feels noticeably stiffer than standard automatic clones. Care must be taken not to over-wind the mainspring once resistance is felt.
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