Gravimetric Mass & Chronometric Assay Bulletin
The Audemars Piguet Royal Oak Selfwinding 37mm Diamond-Set Bezel 18K Rose Gold Reference 67540OK.ZZ.A010CA.01 is a hallmarked 18K Rose Gold Au750 haute horlogerie timepiece measuring 37.0 mm x 9.8 mm with a verified Mettler-Toledo mass of 109.9g, powered by Audemars Piguet Cal. 3120 / Cal. 5900 operating at 28,800 vph (+0.8 s/d, 299 deg) with a 72-hour power reserve, double anti-reflective sapphire crystal, and 50m / 5 ATM water resistance.
| I. Official Maison Entity & Reference | Audemars Piguet — Royal Oak Selfwinding 37mm | Ref. 67540OK.ZZ.A010CA.01 | SKU: PV-AU750-67540OK.ZZ.A010CA.01-W534 |
|---|---|
| II. Precious Metal Alloy & Hallmark Assay | 18K Rose Gold Au750 — Au750 — 75.0% Pure 18K Gold Bullion (XRF Verified) • Hallmarked Solid Precious Metal |
| III. Certified Gravimetric Mass (Mettler-Toledo) | 109.9g — 1:1 Authentic Reference Mass Verified on Mettler-Toledo Analytical Scale |
| IV. Bezel Setting & Case Architecture | Brilliant-Cut VVS1 Diamond-Set Bezel with Anti-Reflective Scratch-Resistant Sapphire Crystal • 109.9g 18K Rose Gold • 37.0 mm x 9.8 mm |
| V. Mechanical Manufacture Calibre | Audemars Piguet Cal. 3120 / Cal. 5900 — Swiss Super Clone Mechanical Calibre Regulated to +0.8 s/d, 299 deg |
| VI. Power Reserve & Oscillation Frequency | 72-Hour Power Reserve • 28,800 vph (4 Hz) Free-Sprung Balance Wheel |
| VII. Double AR Sapphire Crystal & Hermeticity | Scratch-Resistant Sapphire Crystal with Double Anti-Reflective Coating • 50m / 5 ATM |
| VIII. Dial Finishing, Bracelet & Hallmarked Clasp | 37.0 mm x 9.8 mm • Diamond-Set Bezel with Solid 18K Gold Applied Hour Markers & Hands • Integrated Vulcanized Rubber Strap with Precision Audemars Piguet Folding Clasp |
Curated within our hallmarked solid 18K gold Audemars Piguet collection, the Audemars Piguet Royal Oak Selfwinding 37mm Diamond-Set Bezel 18K Rose Gold Reference 67540OK.ZZ.A010CA.01 exemplifies haute horlogerie metallurgy in 18K Rose Gold Au750. Milled to exact manufacture geometry (37.0 mm x 9.8 mm), the monobloc middle case, Brilliant-Cut VVS1 Diamond-Set Bezel with Anti-Reflective Scratch-Resistant Sapphire Crystal, and Integrated Vulcanized Rubber Strap with Precision Audemars Piguet Folding Clasp achieve a verified analytical mass of 109.9g on our Fischer XRF Au750 and Mettler-Toledo assay bench.
What Are the Horological & Metallurgical Benchmarks of Audemars Piguet Royal Oak Ref. 67540OK.ZZ.A010CA.01?
The Audemars Piguet Royal Oak Reference 67540OK.ZZ.A010CA.01 is a precision-engineered luxury timepiece crafted in 18K Rose Gold Au750 (37.0 mm x 9.8 mm) with Diamond-Set Bezel with Solid 18K Gold Applied Hour Markers & Hands, Brilliant-Cut VVS1 Diamond-Set Bezel with Anti-Reflective Scratch-Resistant Sapphire Crystal, and a verified Mettler-Toledo mass of 109.9g, because its Audemars Piguet Cal. 3120 / Cal. 5900 movement is regulated across six positions to chronometric tolerances with a 72-hour power reserve.
5 Core Horological & Metallurgical Specifications:
- Entity & Reference: Audemars Piguet Royal Oak Selfwinding 37mm Diamond-Set Bezel 18K Rose Gold — Official Reference 67540OK.ZZ.A010CA.01 (SKU: PV-AU750-67540OK.ZZ.A010CA.01-W534).
- Precious Metal Assay: 18K Rose Gold Au750 verified via non-destructive Fischer X-Ray Fluorescence spectroscopy.
- Gravimetric Parity: 109.9g total mass weighed on a calibrated Mettler-Toledo laboratory scale.
- Calibre & Oscillating System: Audemars Piguet Cal. 3120 / Cal. 5900 beating at 28,800 vph (4 Hz) with a 72-hour power reserve (+0.8 s/d, 299 deg).
- Crystal & Hermeticity: Scratch-resistant sapphire crystal with double anti-reflective coating and 50m / 5 ATM rating.
Within the Audemars Piguet Royal Oak horological sub-silo, collectors also compare the Audemars Piguet Royal Oak Selfwinding 41mm Hand-Chamfered Bevel Spec Ref. 15500ST (166.6g) and the Audemars Piguet Royal Oak Selfwinding 41mm Ref. 15500ST (166.2g).
- Parent Brand & Royal Oak Silo Hub: Browse All 147 Certified Audemars Piguet Solid 18K Gold & Pt950 Watches
- Technical Research Monograph: Swiss St. Bernard Poincon & Au750 Gold Hallmarks Guide (All 5 Journal Monographs)
- Homepage Master Register: Return to 18K SOLID GOLD 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 is the verified authentic gram weight of this Audemars Piguet Ref. 67540OK.ZZ.A010CA.01?
At 18K Solid Gold 18K Solid Gold Salon, this Audemars Piguet Royal Oak Selfwinding 37mm Diamond-Set Bezel 18K Rose Gold Ref. 67540OK.ZZ.A010CA.01 weighs 109.9g on our Mettler-Toledo analytical balance, matching the exact factory mass of the authentic 18K Rose Gold reference.
How is the 18K Rose Gold Au750 purity verified prior to dispatch?
Every timepiece undergoes non-destructive Fischer X-Ray Fluorescence (XRF) spectroscopy confirming elemental bullion composition alongside a personalized 4K scale and hallmark inspection video.
Which movement powers Reference 67540OK.ZZ.A010CA.01 and what is its power reserve?
Reference 67540OK.ZZ.A010CA.01 is equipped with the Audemars Piguet Cal. 3120 / Cal. 5900 operating at 28,800 vph (4 Hz) with a 72-hour power reserve, regulated in our Paris and Geneva workshop to +0.8 s/d, 299 deg.
What dial and bezel specifications distinguish Audemars Piguet Royal Oak Ref. 67540OK.ZZ.A010CA.01?
Reference 67540OK.ZZ.A010CA.01 combines Diamond-Set Bezel with Solid 18K Gold Applied Hour Markers & Hands and Brilliant-Cut VVS1 Diamond-Set Bezel with Anti-Reflective Scratch-Resistant Sapphire Crystal within a 37.0 mm x 9.8 mm 18K Rose Gold Au750 case weighing 109.9g, verified via Fischer XRF spectroscopy and powered by Audemars Piguet Cal. 3120 / Cal. 5900.
Audemars Piguet Royal Oak Selfwinding 37mm Diamond-Set Bezel 18K Rose Gold Reference 67540OK.ZZ.A010CA.01 — Hallmarked Edition
Hallmarked Au750 & Pt950 Salon Edition • 109.9g Verified Mass • Audemars Piguet Cal. 3120 / Cal. 5900