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Description
APSF Audemars Piguet Royal Oak 15450SR 37mm Two-Tone
A definitive midsize execution featuring a true integrated Caliber 3120 and exceptional case geometry.
Inside the Clone Caliber 3120
The horological centerpiece of this APSF release is the fully integrated clone Caliber 3120. Moving away from the compromise of modified standard movements with decorative plates, APSF engineered this caliber from the ground up to mirror the genuine architecture. This includes the correct positioning of the balance bridge and the intricate perlage finishing on the base plate. All movements are subject to to ensure optimal amplitude and beat error prior to dispatch. The winding mechanism is smooth, and the date snaps over cleanly, reflecting a high degree of mechanical refinement.
�� Accuracy Profile:
The APSF Caliber 3120 is typically regulated to perform within 卤10��15 seconds per day, offering reliable timekeeping suitable for daily rotation.
- �� Power Reserve: Approximately 36 hours
- �� Complications: Quick-set date at 3 o��clock, hacking seconds
- �� Winding Direction: Bidirectional automatic winding
The Technical Breakdown
THE BUILD37mm Two-Tone Case
Constructed from 316L stainless steel with rose gold-plated elements. The 37mm diameter is paired with a highly accurate case thickness, maintaining the slim, elegant profile of the genuine 15450 reference.
THE DIALWhite Grande Tapisserie
The dial features the signature guilloch茅 pattern with crisp, well-defined squares. The applied rose gold indices and hands match the case plating perfectly, filled with consistent luminescent material.
THE BEZELRose Gold Plated
The iconic octagonal bezel showcases a vertical brushed finish on top with mirror-polished chamfered edges. The eight hexagonal white gold-toned screws sit perfectly flush within their recesses.
THE BRACELETIntegrated Two-Tone
The bracelet features stainless steel outer links and rose gold-plated center connecting links. The brushed/polished alternating finishing is executed with sharp transitions, ensuring a fluid, comfortable drape on the wrist.
Why APSF for This Reference?
A question that comes up often: Why not ZF?
While ZF produces excellent Royal Oak replicas, APSF is the undisputed specialist when it comes to the integrated Caliber 3120 and the precise tolerances of the bracelet links. For the 15450SR specifically, APSF��s execution of the two-tone plating tone is notably closer to genuine Audemars Piguet rose gold, avoiding the overly brassy hue sometimes seen on competing versions. Furthermore, the case thickness is kept strictly to genuine specifications thanks to the bespoke movement architecture.
One Caveat: The ceramic ball bearings in the clone 3120 rotor can produce a slight audible whir in quiet environments, a common trait of this specific movement design.
At a Glance
| MODEL REFERENCE | 15450SR.OO.1256SR.01 |
| FACTORY / VERSION | APSF Edition |
| MOVEMENT | Clone Caliber 3120 |
| CASE MATERIAL | Stainless Steel / Rose Gold Plated |
| WEIGHT & THICKNESS | 120g | 9.8mm |
| CRYSTAL & LUME | Sapphire | Standard Super-LumiNova |
| DIMENSIONS | 37mm � 47mm � 9.8mmManual measurements �� minor tolerances apply. |
| WATER RESISTANCE | 50m (Stated) �� a professional water-resistance check is recommended before submersion |
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What Buyers Ask
Q: How accurate is the rose gold tone on this APSF 15450SR compared to genuine?
A: APSF utilizes a precise rose gold plating formula that closely mimics the genuine 18k hue, avoiding the overly coppery or brassy tones often found on lower-tier replicas. However, under direct, harsh lighting, slight luster differences compared to solid 18k gold may be visible to a trained eye.
Q: Does the clone Caliber 3120 movement accept genuine AP parts?
A: The APSF integrated Caliber 3120 is designed with a 1:1 structural architecture. This means several key components, including the balance bridge and certain gear train elements, are interchangeable with genuine Audemars Piguet parts, making it a highly regarded base for franken projects.
Q: Is the 37mm case size suitable for a 7-inch wrist?
A: Yes. The 37mm Royal Oak wears slightly larger than its dimensions suggest due to the rigid integrated bracelet and prominent lug-to-lug profile. It sits comfortably and proportionally on a 7-inch wrist, offering a more classic, understated presence compared to the larger 41mm 15500.
Q: What is the most common known flaw with the APSF 15450 series?
A: The most frequently noted quirk is mild rotor noise from the clone 3120 movement. While the winding efficiency is excellent, the ceramic ball bearings in the automatic winding module can be audible in quiet environments. This is a known characteristic of the clone caliber and can often be mitigated with proper movement servicing and lubrication.
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