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Description
APSF Audemars Piguet Royal Oak 15400ST Black Dial
A precise 1:1 architectural clone that resolves historical thickness limitations through a ground-up Calibre 3120 mechanism.
Powered by Clone Calibre 3120
The APSF custom Calibre 3120 abandons the use of decorated Miyota base plates in favor of a bespoke, ground-up architecture. This engineering choice allows for the correct balance wheel positioning at 7 o��clock and a genuine-matching beat rate of 28,800 vibrations per hour. The movement is finished with perlage on the baseplate and features a heavily engraved 22K gold-plated rotor, ensuring high visual fidelity through the exhibition caseback.
�� Accuracy Profile:
Regulated prior to dispatch, this APSF clone caliber typically operates within a tolerance of 卤10��15 seconds per day when fully wound, well within the accepted parameters for mechanical replica movements.
- �� Power Reserve: Approximately 36 hours
- �� Complications: Center hours, minutes, sweeping seconds, and instant-jump date display
- �� Winding Direction: Bidirectional automatic winding
Technical Specifications
THE BUILDSolid Stainless Steel
Measuring exactly 41mm in diameter with a verified 9.2mm thickness, the case demonstrates rigorous alternating brushed and polished finishing, weighing in at a substantial 173.8g.
THE DIALBlack Grande Tapisserie
The dial features crisp guilloch茅 squares with clean printing and accurately proportioned hour markers, filled with luminescent material for low-light visibility.
THE BEZELBrushed Stainless Steel
The iconic octagonal bezel features vertical brushing and high-polish chamfers, secured by eight recessed, white gold-toned hexagonal screws aligned in perfect symmetry.
THE BRACELETIntegrated Tapered Steel
The bracelet mirrors the complex geometry of the genuine article, offering smooth articulation between links and securing via a crisp AP double deployant clasp.
Why APSF for This Reference?
Many collectors ask: ��Why not ZF Factory?��
While ZF produces an excellent Royal Oak, the APSF edition is frequently selected for its superior integrated bracelet articulation and rigorous alternating brushed/polished chamfer execution. Furthermore, the APSF custom Calibre 3120 ensures the exacting 9.2mm case thickness without compromising dial depth or hand pinion clearance.
Full Disclosure: The 22K gold-plated rotor on the clone 3120 can exhibit slight bearing noise during rapid wrist movements, a known characteristic of this specific movement architecture.
LIVE PREVIEW
Data Sheet
| MODEL REFERENCE | 15400ST.OO.1220ST.01 |
| FACTORY / VERSION | APSF Edition |
| MOVEMENT | Clone Calibre 3120 Automatic |
| CASE MATERIAL | Solid Stainless Steel |
| WEIGHT & THICKNESS | 173.8g | 9.2mm |
| CRYSTAL & LUME | Sapphire with AR | Super-LumiNova |
| DIMENSIONS | 41mm � 51mm � 9.2mmManual measurements �� minor tolerances apply. |
| WATER RESISTANCE | Stated 50m �� professional pressure test recommended before swimming |
Collector Q&A
Q: How does the thickness of this APSF 15400 compare to the genuine article?
A: This APSF edition measures exactly 9.2mm thick, which is identical to the genuine Royal Oak 15400. This is achieved by utilizing a custom ground-up clone Calibre 3120 rather than a thicker decorated base movement.
Q: Is the dial pattern stamped or printed?
A: The Grande Tapisserie dial pattern is stamped, replicating the traditional engine-turned guilloch茅 method. This provides the correct three-dimensional texture and light play on the square motifs.
Q: Are the bracelet links interchangeable with genuine AP links?
A: While the bracelet mirrors the genuine taper and construction, minor manufacturing tolerances mean we do not recommend attempting to mix APSF links with genuine Audemars Piguet bracelet links.
Q: Is the rotor noisy on this clone movement?
A: Yes, the clone Calibre 3120 can exhibit slight rotor bearing noise during rapid wrist movements. This is a known characteristic of this specific movement architecture and does not affect timekeeping reliability.
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