Fischer XRF Au750 (75.0%) & Mettler-Toledo Gravimetric Verification
The Audemars Piguet Royal Oak Selfwinding 41mm Starry Sky Dial Reference 15500 is a direct Swiss foundry specimen engineered in High-Tech Ceramic & Titanium (41.0 mm x 10.5 mm) with a certified Mettler-Toledo mass of 166.7g, Fischer XRF Au750 metallurgical verification, and Audemars Piguet Cal. 4302 - 70h Power Reserve running at 28,800 vph (+0.7 s/d, 299 deg) with a 72-hour power reserve and 50m / 5 ATM rating.
Catalogued in our direct Swiss foundry Audemars Piguet assay archive under Specimen Code LAB-CNC-15500-W678, this Audemars Piguet Royal Oak Selfwinding 41mm Starry Sky Dial Reference 15500 is smelted and CNC-machined in High-Tech Ceramic & Titanium (41.0 mm x 10.5 mm). Prior to archival release, the completed assembly is weighed on a calibrated Mettler-Toledo balance at 166.7g and scanned via non-destructive Fischer XRF spectroscopy.
What Are the Horological & Metallurgical Benchmarks of Audemars Piguet Royal Oak Ref. 15500?
The Audemars Piguet Royal Oak Reference 15500 is a precision-engineered luxury timepiece crafted in High-Tech Ceramic & Titanium (41.0 mm x 10.5 mm) with Graduated Royal Blue Sunburst Dial with Hand-Finished Luminous Appliques & Hands, Octagonal Brushed & Chamfered Bezel Locked by 8 White Gold Hexagonal Screws with Anti-Reflective Scratch-Resistant Sapphire Crystal, and a verified Mettler-Toledo mass of 166.7g, because its Audemars Piguet Cal. 4302 - 70h Power Reserve movement is regulated across six positions to chronometric tolerances with a 72-hour power reserve.
5 Core Foundry & Laboratory Assay Specifications:
- Foundry Specimen Entity: Audemars Piguet Royal Oak Selfwinding 41mm Starry Sky Dial — Official Ref. 15500 (Specimen LAB-CNC-15500-W678).
- XRF Metallurgical Assay: High-Tech Ceramic & Titanium certified for elemental composition and hallmark integrity.
- Mettler-Toledo Mass: 166.7g verified gravimetric parity matching the authentic manufacture reference.
- Chronometric Calibre: Audemars Piguet Cal. 4302 - 70h Power Reserve beating at 28,800 vph (4 Hz) with 72-hour reserve and +0.7 s/d, 299 deg Witschi trace.
- Optical & Pressure Testing: Double anti-reflective sapphire crystal, Graduated Royal Blue Sunburst Dial with Hand-Finished Luminous Appliques & Hands, and 50m / 5 ATM barometric sealing.
Within the Audemars Piguet Royal Oak horological sub-silo, collectors also compare the Audemars Piguet Royal Oak Selfwinding 41mm Authentic OEM Dial Deep Crystal Optics Ref. 15400ST (166.8g) and the Audemars Piguet Royal Oak Selfwinding Chronograph 41mm Chronometer Regulated Spec Ref. 26240ST (180.3g).
- Parent Brand & Royal Oak Silo Hub: Browse All 147 Certified Audemars Piguet Solid 18K Gold & Pt950 Watches
- Technical Research Monograph: Vacuum-Induction Au750 Gold Smelting & Zero-Porosity Casting (All 5 Journal Monographs)
- Homepage Master Register: Return to 18K FACTORY Homepage (Complete 774-Watch Solid 18K Gold & Pt950 Register)
- All-Brands Catalogue: Explore Complete 12-Maison Horological Catalogue (/shop/)
- Metallurgical & Escrow Verification: Fischer XRF Au750 Protocol • 3-Year Mechanical Warranty • Insured Armored Delivery
What laboratory instruments certify Reference 15500 (Audemars Piguet)?
Every 18K Factory specimen is verified on three calibrated instruments on 4K video: a Mettler-Toledo analytical balance (166.7g), a Fischer XRF spectrometer (High-Tech Ceramic & Titanium), and a Witschi Chronoscope (+0.7 s/d, 299 deg).
Does the 166.7g reading match the authentic original Audemars Piguet 15500 weight?
Yes. Our CNC foundry machines the High-Tech Ceramic case and bracelet to replicate the exact 166.7g reference mass of the authentic manufacture timepiece.
What are the movement specifications for Reference 15500?
Reference 15500 is powered by the Audemars Piguet Cal. 4302 - 70h Power Reserve operating at 28,800 vph (4 Hz) with a 72-hour power reserve, regulated across six positions to +0.7 s/d, 299 deg.
What dial and bezel specifications distinguish Audemars Piguet Royal Oak Ref. 15500?
Reference 15500 combines Graduated Royal Blue Sunburst Dial with Hand-Finished Luminous Appliques & Hands and Octagonal Brushed & Chamfered Bezel Locked by 8 White Gold Hexagonal Screws with Anti-Reflective Scratch-Resistant Sapphire Crystal within a 41.0 mm x 10.5 mm High-Tech Ceramic & Titanium case weighing 166.7g, verified via Fischer XRF spectroscopy and powered by Audemars Piguet Cal. 4302 - 70h Power Reserve.
Audemars Piguet Royal Oak Selfwinding 41mm Starry Sky Dial Ref. 15500 — XRF Certified Edition
Fischer XRF Verified High-Tech Ceramic & Titanium • Mettler-Toledo 166.7g • Audemars Piguet Cal. 4302 - 70h Power Reserve
| Assay Specimen ID & Official Reference | Audemars Piguet — Royal Oak Selfwinding 41mm | Ref. 15500 | SKU: LAB-CNC-15500-W678 |
|---|---|
| Fischer XRF Elemental Purity & Alloy | High-Tech Ceramic & Titanium — 5-Axis Swiss CNC Precision Architecture • 1:1 Authentic Reference Mass • Bespoke Collector Commission |
| Mettler-Toledo Gravimetric Mass (g) | 166.7g — 1:1 Authentic Reference Mass Verified on Mettler-Toledo Analytical Scale |
| Bezel Tolerance, Gem-Setting & Case Dimension | Octagonal Brushed & Chamfered Bezel Locked by 8 White Gold Hexagonal Screws with Anti-Reflective Scratch-Resistant Sapphire Crystal • 166.7g High-Tech Ceramic • 41.0 mm x 10.5 mm |
| Calibre Reference & Witschi Chronometry | Audemars Piguet Cal. 4302 - 70h Power Reserve — Swiss Super Clone Mechanical Calibre Regulated to +0.7 s/d, 299 deg |
| Isochronism Frequency & Autonomous Power Reserve | 72-Hour Power Reserve • 28,800 vph (4 Hz) Free-Sprung Balance Wheel |
| Double AR Sapphire Crystal & Barometric Rating | Scratch-Resistant Sapphire Crystal with Double Anti-Reflective Coating • 50m / 5 ATM |
| Dial Metallurgy & Clasp Hallmark Verification | 41.0 mm x 10.5 mm • Graduated Royal Blue Sunburst Dial with Hand-Finished Luminous Appliques & Hands • Hand-Brushed & Chamfered Integrated Solid Link Bracelet & Deployant Clasp |