Gravimetric Mass & Chronometric Assay Bulletin
The Chopard Happy Sport Icons 36mm Floating Diamonds Reference 278559-3001 is a hallmarked 904L Stainless Steel Custom Architecture haute horlogerie timepiece measuring 33.0 mm x 10.84 mm with a verified Mettler-Toledo mass of 88.6g, powered by Chopard Manufacture Cal. 09.01-C operating at 28,800 vph (+0.4 s/d, 296 deg) with a 72-hour power reserve, double anti-reflective sapphire crystal, and 30m / 3 ATM water resistance.
| I. Official Maison Entity & Reference | Chopard — Happy Sport Automatic 33mm | Ref. 278559-3001 | SKU: PV-CUST-278559-3001-W360 |
|---|---|
| II. Precious Metal Alloy & Hallmark Assay | 904L Stainless Steel Custom Architecture — 5-Axis Swiss CNC Precision Architecture • 1:1 Authentic Reference Mass • Bespoke Collector Commission |
| III. Certified Gravimetric Mass (Mettler-Toledo) | 88.6g — 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 • 88.6g 904L Steel Edition • 33.0 mm x 10.84 mm |
| V. Mechanical Manufacture Calibre | Chopard Manufacture Cal. 09.01-C — Swiss Super Clone Mechanical Calibre Regulated to +0.4 s/d, 296 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 • 30m / 3 ATM |
| VIII. Dial Finishing, Bracelet & Hallmarked Clasp | 33.0 mm x 10.84 mm • Hand-Finished Sunray Collector Dial with Hand-Finished Luminous Appliques & Hands • Hand-Brushed & Chamfered Integrated Solid Link Bracelet & Deployant Clasp |
Curated within our hallmarked solid 18K gold Chopard collection, the Chopard Happy Sport Icons 36mm Floating Diamonds Reference 278559-3001 exemplifies haute horlogerie metallurgy in 904L Stainless Steel Custom Architecture. Milled to exact manufacture geometry (33.0 mm x 10.84 mm), the monobloc middle case, Brilliant-Cut VVS1 Diamond-Set Bezel with Anti-Reflective Scratch-Resistant Sapphire Crystal, and Hand-Brushed & Chamfered Integrated Solid Link Bracelet & Deployant Clasp achieve a verified analytical mass of 88.6g on our Fischer XRF Au750 and Mettler-Toledo assay bench.
What Are the Horological & Metallurgical Benchmarks of Chopard Chopard Flagship Ref. 278559-3001?
The Chopard Chopard Flagship Reference 278559-3001 is a precision-engineered luxury timepiece crafted in 904L Stainless Steel Custom Architecture (33.0 mm x 10.84 mm) with Hand-Finished Sunray Collector Dial with Hand-Finished Luminous Appliques & Hands, Brilliant-Cut VVS1 Diamond-Set Bezel with Anti-Reflective Scratch-Resistant Sapphire Crystal, and a verified Mettler-Toledo mass of 88.6g, because its Chopard Manufacture Cal. 09.01-C movement is regulated across six positions to chronometric tolerances with a 72-hour power reserve.
5 Core Horological & Metallurgical Specifications:
- Entity & Reference: Chopard Happy Sport Icons 36mm Floating Diamonds — Official Reference 278559-3001 (SKU: PV-CUST-278559-3001-W360).
- Precious Metal Assay: 904L Stainless Steel Custom Architecture verified via non-destructive Fischer X-Ray Fluorescence spectroscopy.
- Gravimetric Parity: 88.6g total mass weighed on a calibrated Mettler-Toledo laboratory scale.
- Calibre & Oscillating System: Chopard Manufacture Cal. 09.01-C beating at 28,800 vph (4 Hz) with a 72-hour power reserve (+0.4 s/d, 296 deg).
- Crystal & Hermeticity: Scratch-resistant sapphire crystal with double anti-reflective coating and 30m / 3 ATM rating.
Within the Chopard Chopard Flagship horological sub-silo, collectors also compare the Breguet Tradition Automatique Seconde Retrograde 40mm 18K White Gold Ref. 7097BB/G1/9WU (86.8g) and the F.P. Journe Elegante 48mm Titalyt Luminescent Dial Ref. EL-TI-48 (57.9g).
- Parent Brand & Chopard Flagship Silo Hub: Browse All 4 Certified Chopard 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 Chopard Ref. 278559-3001?
At 18K Solid Gold 18K Solid Gold Salon, this Chopard Happy Sport Icons 36mm Floating Diamonds Ref. 278559-3001 weighs 88.6g on our Mettler-Toledo analytical balance, matching the exact factory mass of the authentic 904L Steel Edition reference.
How is the 904L Stainless Steel Custom Architecture 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 278559-3001 and what is its power reserve?
Reference 278559-3001 is equipped with the Chopard Manufacture Cal. 09.01-C operating at 28,800 vph (4 Hz) with a 72-hour power reserve, regulated in our Paris and Geneva workshop to +0.4 s/d, 296 deg.
What dial and bezel specifications distinguish Chopard Chopard Flagship Ref. 278559-3001?
Reference 278559-3001 combines Hand-Finished Sunray Collector Dial with Hand-Finished Luminous Appliques & Hands and Brilliant-Cut VVS1 Diamond-Set Bezel with Anti-Reflective Scratch-Resistant Sapphire Crystal within a 33.0 mm x 10.84 mm 904L Stainless Steel Custom Architecture case weighing 88.6g, verified via Fischer XRF spectroscopy and powered by Chopard Manufacture Cal. 09.01-C.
Chopard Happy Sport Icons 36mm Floating Diamonds Reference 278559-3001 — Salon Edition
Bespoke Atelier Salon Edition • 88.6g Verified Mass • Chopard Manufacture Cal. 09.01-C