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Description
APSF Audemars Piguet Royal Oak 15500ST Slate Grey
The APS Factory iteration stands as the current benchmark for the 15500ST, excelling in case geometry and integrated movement architecture.
Powered by Clone Calibre 4302
The beating heart of this reference is the custom Clone Calibre 4302, an integrated mechanism designed specifically to replicate the genuine Audemars Piguet architecture. Unlike older iterations that relied on decorated Miyota base movements, this caliber features correct balance wheel positioning at 7 o��clock and eliminates the need for superficial decorative plates. Every movement is evaluated against to ensure proper amplitude and beat error prior to dispatch. The winding action is smooth, delivering a tactile response that closely mimics the genuine article.
This specific clone caliber is typically regulated to perform within 卤10��15 seconds per day, depending on resting position and mainspring tension.
- �� Power Reserve: Approximately 36 hours
- �� Complications: Hours, minutes, sweep seconds, and quick-set date
- �� Winding Direction: Bidirectional
Specifications in Detail
The 41mm case measures approximately 10.4mm thick, featuring an exceptionally accurate ratio of brushed flat surfaces to highly polished chamfered edges.
Stamped with precision to create the signature textured depth, finished with a subtle sunburst effect that accurately reflects the genuine metallic slate tone.
Features the iconic octagonal profile secured by eight polished hexagonal screws, sitting perfectly flush with the brushed bezel surface.
Constructed with tight tolerances between links to prevent unwanted lateral play, secured by a double-deployant AP folding clasp.
The Case for APS Factory
Many collectors ask: ��Why not ZF Factory?��
While ZF produces an excellent Royal Oak, APSF is currently preferred for the 15500ST due to its superior execution of the integrated bracelet fit and more refined alternating brushed/polished finishing on the case edges. The APSF bracelet links articulate with slightly better fluidity, offering a drape that closely mimics the genuine article.
In the Interest of Honesty: The high-density rotor on the clone 4302 movement can exhibit slight audible whirring in quiet environments, a common characteristic of this specific caliber architecture.
LIVE PREVIEW
Specification Sheet
| MODEL REFERENCE | Royal Oak 15500ST.OO.1220ST.02 |
| FACTORY / VERSION | APS Factory Edition |
| MOVEMENT | Clone Calibre 4302 |
| CASE MATERIAL | 316L Stainless Steel |
| WEIGHT & THICKNESS | ~165g | 10.4mm |
| CRYSTAL & LUME | Sapphire with AR | Super-LumiNova |
| DIMENSIONS | 41.0mm � 51.0mm � 10.4mmHand-measured specifications; expect minor variance. |
| WATER RESISTANCE | 50m Stated �� have the case pressure-tested by a professional prior to swimming |
Explore the Collection
Common Collector Questions
Q: How does the APSF slate grey dial compare to the genuine 15500ST?
A: APSF captures the subtle sunburst effect and metallic slate tone highly accurately, shifting from light grey to dark charcoal depending on lighting. However, under macro inspection, the tapisserie squares may lack the microscopic galvanic depth found on the genuine dial.
Q: Is the clone 4302 movement in this APSF model a decorated Miyota?
A: No, it is a custom 1:1 integrated clone movement engineered to replicate the genuine Calibre 4302 architecture. This ensures correct balance wheel positioning at 7 o��clock and eliminates the need for superficial decorative plates.
Q: Does the integrated bracelet fit smaller wrists comfortably?
A: The 41mm Royal Oak case features rigid first links that extend the effective lug-to-lug distance to approximately 51mm. Due to this geometry, it is best suited for wrists measuring 6.75 inches or larger to ensure optimal drape.
Q: Is the rotor noise noticeable on the APSF clone 4302?
A: Yes, the high-density rotor on the clone 4302 caliber can produce a slight audible whirring sound in quiet environments. This is a known characteristic of this specific clone movement and does not affect timekeeping performance.