Gravimetric Mass & Chronometric Assay Bulletin
The Patek Philippe Calatrava Automatic 18K White Gold Reference 5227G-001 is a hallmarked 18K White Gold Au750 haute horlogerie timepiece measuring 39.0 mm x 9.24 mm with a verified Mettler-Toledo mass of 79.0g, powered by Patek Philippe Cal. 324 S C - 21K Gold Rotor operating at 28,800 vph (+0.5 s/d, 297 deg) with a 72-hour power reserve, double anti-reflective sapphire crystal, and 30m / 3 ATM water resistance.
| I. Official Maison Entity & Reference | Patek Philippe — Calatrava Automatic | Ref. 5227G-001 | SKU: PV-AU750-5227G-001-W91 |
|---|---|
| II. Precious Metal Alloy & Hallmark Assay | 18K White Gold Au750 — Au750 — 75.0% Pure 18K Gold Bullion (XRF Verified) • Hallmarked Solid Precious Metal |
| III. Certified Gravimetric Mass (Mettler-Toledo) | 79.0g — 1:1 Authentic Reference Mass Verified on Mettler-Toledo Analytical Scale |
| IV. Bezel Setting & Case Architecture | Hand-Finished 18K White Gold Bezel with Anti-Reflective Scratch-Resistant Sapphire Crystal • 79.0g 18K White Gold • 39.0 mm x 9.24 mm |
| V. Mechanical Manufacture Calibre | Patek Philippe Cal. 324 S C - 21K Gold Rotor — Swiss Super Clone Mechanical Calibre Regulated to +0.5 s/d, 297 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 | 39.0 mm x 9.24 mm • Hand-Finished Collector Dial with Solid 18K Gold Applied Hour Markers & Hands • Integrated 18K White Gold Hand-Stitched Alligator / Elastomer Strap & Solid Gold Folding Clasp with Deep Laser Hallmarks |
Curated within our hallmarked solid 18K gold Patek Philippe collection, the Patek Philippe Calatrava Automatic 18K White Gold Reference 5227G-001 exemplifies haute horlogerie metallurgy in 18K White Gold Au750. Milled to exact manufacture geometry (39.0 mm x 9.24 mm), the monobloc middle case, Hand-Finished 18K White Gold Bezel with Anti-Reflective Scratch-Resistant Sapphire Crystal, and Integrated 18K White Gold Hand-Stitched Alligator / Elastomer Strap & Solid Gold Folding Clasp with Deep Laser Hallmarks achieve a verified analytical mass of 79.0g on our Fischer XRF Au750 and Mettler-Toledo assay bench.
What Are the Horological & Metallurgical Benchmarks of Patek Philippe Calatrava Ref. 5227G-001?
The Patek Philippe Calatrava Reference 5227G-001 is a precision-engineered luxury timepiece crafted in 18K White Gold Au750 (39.0 mm x 9.24 mm) with Hand-Finished Collector Dial with Solid 18K Gold Applied Hour Markers & Hands, Hand-Finished 18K White Gold Bezel with Anti-Reflective Scratch-Resistant Sapphire Crystal, and a verified Mettler-Toledo mass of 79.0g, because its Patek Philippe Cal. 324 S C - 21K Gold Rotor movement is regulated across six positions to chronometric tolerances with a 72-hour power reserve.
5 Core Horological & Metallurgical Specifications:
- Entity & Reference: Patek Philippe Calatrava Automatic 18K White Gold — Official Reference 5227G-001 (SKU: PV-AU750-5227G-001-W91).
- Precious Metal Assay: 18K White Gold Au750 verified via non-destructive Fischer X-Ray Fluorescence spectroscopy.
- Gravimetric Parity: 79.0g total mass weighed on a calibrated Mettler-Toledo laboratory scale.
- Calibre & Oscillating System: Patek Philippe Cal. 324 S C - 21K Gold Rotor beating at 28,800 vph (4 Hz) with a 72-hour power reserve (+0.5 s/d, 297 deg).
- Crystal & Hermeticity: Scratch-resistant sapphire crystal with double anti-reflective coating and 30m / 3 ATM rating.
Within the Patek Philippe Calatrava horological sub-silo, collectors also compare the Patek Philippe Nautilus Ladies Automatic 18K Rose Gold Ref. 7118/1R-001 (145.8g) and the Patek Philippe Nautilus Moonphase & Power Reserve Full Solid 18K Rose Gold Bracelet Ref. 5712/1R-001 (185.2g).
- Parent Brand & Calatrava Silo Hub: Browse All 170 Certified Patek Philippe Solid 18K Gold & Pt950 Watches
- Technical Research Monograph: Patek Philippe Nautilus & Aquanaut 18K Rose Gold Gram Index (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 Patek Philippe Ref. 5227G-001?
At 18K Solid Gold 18K Solid Gold Salon, this Patek Philippe Calatrava Automatic 18K White Gold Ref. 5227G-001 weighs 79.0g on our Mettler-Toledo analytical balance, matching the exact factory mass of the authentic 18K White Gold reference.
How is the 18K White 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 5227G-001 and what is its power reserve?
Reference 5227G-001 is equipped with the Patek Philippe Cal. 324 S C - 21K Gold Rotor operating at 28,800 vph (4 Hz) with a 72-hour power reserve, regulated in our Paris and Geneva workshop to +0.5 s/d, 297 deg.
What dial and bezel specifications distinguish Patek Philippe Calatrava Ref. 5227G-001?
Reference 5227G-001 combines Hand-Finished Collector Dial with Solid 18K Gold Applied Hour Markers & Hands and Hand-Finished 18K White Gold Bezel with Anti-Reflective Scratch-Resistant Sapphire Crystal within a 39.0 mm x 9.24 mm 18K White Gold Au750 case weighing 79.0g, verified via Fischer XRF spectroscopy and powered by Patek Philippe Cal. 324 S C - 21K Gold Rotor.
Patek Philippe Calatrava Automatic 18K White Gold Reference 5227G-001 — Hallmarked Edition
Hallmarked Au750 & Pt950 Salon Edition • 79.0g Verified Mass • Patek Philippe Cal. 324 S C - 21K Gold Rotor