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Description
APS Factory Audemars Piguet Royal Oak Chronograph 26331ST
Achieving an 11.2mm thickness, this APS release sets a new geometric standard for Royal Oak Chronograph replicas.
Powered by APS Clone Calibre 2385
The mechanical core of this timepiece is the heavily modified APS Clone Calibre 2385. By restructuring the gear train and chronograph module, APS has bypassed the traditional thickness limitations of standard 7750 movements. The result is a fully operational chronograph that maintains a slim horizontal profile. Movement parameters are verified against to ensure consistent amplitude and proper pusher engagement.
�� Accuracy Profile:
Regulated to approximately 卤10��15 seconds per day. The chronograph module operates crisply, though frequent use of the stopwatch function will impact the overall power reserve.
- �� Power Reserve: Approximately 36 hours
- �� Complications: Column-wheel chronograph, 30-minute counter, small seconds, date display
- �� Winding Direction: Unidirectional
Technical Specifications
THE BUILD316L Stainless Steel
The 41mm case is machined to an exact 11.2mm thickness, weighing 186.8g. It features the correct alternating brushed and polished finishing ratio, providing the distinct AP light reflection.
THE DIALBlue Grande Tapisserie
Features precise guilloch茅 squares with sharp printing. The contrasting silver sub-dials exhibit correct concentric snailing, and the white gold-plated indices are filled with Swiss Super-LumiNova.
THE BEZELOctagonal Steel
The signature octagonal bezel is vertically brushed with polished chamfers, secured by eight perfectly aligned, polished white gold-plated hexagonal screws.
THE BRACELETIntegrated Steel
The tapering integrated bracelet features solid links with precise endplay tolerances, securing via a well-machined AP double deployant clasp with crisp snap action.
Why APS Factory for This Reference?
Many collectors ask: ��Why not OMF or ZF?��
The primary advantage of the APS release is its 11.2mm thickness. Competitors like OMF utilize unmodified 7750 movements, resulting in a case thickness exceeding 14mm. This excess height severely distorts the Royal Oak��s intended sleek, wrist-hugging profile. APS��s custom movement architecture solves this, delivering a silhouette that is visually indistinguishable from the 11mm genuine on the wrist.
Full Disclosure: Due to the movement plates required to achieve the slim case profile, the date wheel sits slightly deeper than genuine, and the date font weight can appear marginally thinner under macro inspection.
LIVE PREVIEW
Data Sheet
| MODEL REFERENCE | 26331ST.OO.1220ST.01 |
| FACTORY / VERSION | APS Factory V2 |
| MOVEMENT | APS Clone Calibre 2385 |
| CASE MATERIAL | 316L Stainless Steel |
| WEIGHT & THICKNESS | 186.8g | 11.2mm |
| CRYSTAL & LUME | Sapphire with colorless AR | Swiss Super-LumiNova |
| DIMENSIONS | 41mm � 51.5mm � 11.2mmManual measurements �� minor tolerances apply. |
| WATER RESISTANCE | 30m rating �� professional pressure test recommended before swimming |
Collector Q&A
Q: How does the thickness of the APS 26331ST compare to the genuine?
A: The APS factory version measures precisely 11.2mm thick, which is only 0.2mm thicker than the genuine 11mm specification. This is a significant structural upgrade over older OMF versions that exceeded 14mm.
Q: Are all the chronograph sub-dials fully functional?
A: Yes, the 3 o��clock, 6 o��clock, and 9 o��clock sub-dials operate as intended, accurately mirroring the genuine Calibre 2385 layout and functionality.
Q: Is the integrated bracelet interchangeable with other Royal Oak replicas?
A: Tolerances on the integrated bracelet are specific to the APS case geometry. Attempting to fit a ZF or JF bracelet may result in improper end-link alignment and visible gaps.
Q: What is the most notable visual compromise on this specific APS release?
A: Due to the movement architecture required to achieve the 11.2mm slim case, the date wheel sits slightly deeper within the dial window than genuine, and the date font is marginally thinner under magnification.