Gravimetric Mass & Chronometric Assay Bulletin
The Patek Philippe Nautilus Ladies Automatic 18K Rose Gold Reference 7118/1R is a hallmarked 18K Rose Gold Au750 haute horlogerie timepiece measuring 35.2 mm x 8.62 mm with a verified Mettler-Toledo mass of 145.9g, powered by Patek Philippe Cal. 324 S C - 21K Gold Rotor operating at 28,800 vph (+0.4 s/d, 300 deg) with a 72-hour power reserve, double anti-reflective sapphire crystal, and 60m / 6 ATM water resistance.
| I. Official Maison Entity & Reference | Patek Philippe — Nautilus Ladies Automatic | Ref. 7118/1R | SKU: PV-AU750-7118/1R-W130 |
|---|---|
| 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) | 145.9g — 1:1 Authentic Reference Mass Verified on Mettler-Toledo Analytical Scale |
| IV. Bezel Setting & Case Architecture | Satin-Brushed Rounded Octagonal Bezel with Mirror-Polished Chamfered Bevels with Anti-Reflective Scratch-Resistant Sapphire Crystal • 145.9g 18K Rose Gold • 35.2 mm x 8.62 mm |
| V. Mechanical Manufacture Calibre | Patek Philippe Cal. 324 S C - 21K Gold Rotor — Swiss Super Clone Mechanical Calibre Regulated to +0.4 s/d, 300 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 • 60m / 6 ATM |
| VIII. Dial Finishing, Bracelet & Hallmarked Clasp | 35.2 mm x 8.62 mm • Hand-Finished Collector Dial with Solid 18K Gold Applied Hour Markers & Hands • Integrated 18K Rose Gold Solid Link Bracelet & Deployant Clasp with Deep Laser Hallmarks |
Curated within our hallmarked solid 18K gold Patek Philippe collection, the Patek Philippe Nautilus Ladies Automatic 18K Rose Gold Reference 7118/1R exemplifies haute horlogerie metallurgy in 18K Rose Gold Au750. Milled to exact manufacture geometry (35.2 mm x 8.62 mm), the monobloc middle case, Satin-Brushed Rounded Octagonal Bezel with Mirror-Polished Chamfered Bevels with Anti-Reflective Scratch-Resistant Sapphire Crystal, and Integrated 18K Rose Gold Solid Link Bracelet & Deployant Clasp with Deep Laser Hallmarks achieve a verified analytical mass of 145.9g on our Fischer XRF Au750 and Mettler-Toledo assay bench.
What Are the Horological & Metallurgical Benchmarks of Patek Philippe Nautilus Ref. 7118/1R?
The Patek Philippe Nautilus Reference 7118/1R is a precision-engineered luxury timepiece crafted in 18K Rose Gold Au750 (35.2 mm x 8.62 mm) with Hand-Finished Collector Dial with Solid 18K Gold Applied Hour Markers & Hands, Satin-Brushed Rounded Octagonal Bezel with Mirror-Polished Chamfered Bevels with Anti-Reflective Scratch-Resistant Sapphire Crystal, and a verified Mettler-Toledo mass of 145.9g, 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 Nautilus Ladies Automatic 18K Rose Gold — Official Reference 7118/1R (SKU: PV-AU750-7118/1R-W130).
- Precious Metal Assay: 18K Rose Gold Au750 verified via non-destructive Fischer X-Ray Fluorescence spectroscopy.
- Gravimetric Parity: 145.9g 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 (+0.4 s/d, 300 deg).
- Crystal & Hermeticity: Scratch-resistant sapphire crystal with double anti-reflective coating and 60m / 6 ATM rating.
Within the Patek Philippe Nautilus horological sub-silo, collectors also compare the Patek Philippe Nautilus Off-Catalogue Baguette Emerald Bezel 950 Platinum Geneva Atelier Spec Ref. 5711/113P-001 (245.0g) and the Patek Philippe Nautilus Self-Winding 18K Rose Gold Custom SW Dial Deep Crystal Optics Ref. 5711R (114.7g).
- Parent Brand & Nautilus 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. 7118/1R?
At 18K Solid Gold 18K Solid Gold Salon, this Patek Philippe Nautilus Ladies Automatic 18K Rose Gold Ref. 7118/1R weighs 145.9g 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 7118/1R and what is its power reserve?
Reference 7118/1R 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 +0.4 s/d, 300 deg.
What dial and bezel specifications distinguish Patek Philippe Nautilus Ref. 7118/1R?
Reference 7118/1R combines Hand-Finished Collector Dial with Solid 18K Gold Applied Hour Markers & Hands and Satin-Brushed Rounded Octagonal Bezel with Mirror-Polished Chamfered Bevels with Anti-Reflective Scratch-Resistant Sapphire Crystal within a 35.2 mm x 8.62 mm 18K Rose Gold Au750 case weighing 145.9g, verified via Fischer XRF spectroscopy and powered by Patek Philippe Cal. 324 S C - 21K Gold Rotor.
Patek Philippe Nautilus Ladies Automatic 18K Rose Gold Reference 7118/1R — Hallmarked Edition
Hallmarked Au750 & Pt950 Salon Edition • 145.9g Verified Mass • Patek Philippe Cal. 324 S C - 21K Gold Rotor