Fischer XRF Au750 (75.0%) & Mettler-Toledo Gravimetric Verification
The Patek Philippe Nautilus Ladies Automatic 18K Rose Gold Reference 7118R is a direct Swiss foundry specimen engineered in 18K Rose Gold Au750 (35.2 mm x 8.62 mm) with a certified Mettler-Toledo mass of 145.7g, Fischer XRF Au750 metallurgical verification, and Patek Philippe Cal. 324 S C - 21K Gold Rotor running at 28,800 vph (+0.4 s/d, 303 deg) with a 72-hour power reserve and 60m / 6 ATM rating.
Catalogued in our direct Swiss foundry Patek Philippe assay archive under Specimen Code LAB-XRF-7118R-W565, this Patek Philippe Nautilus Ladies Automatic 18K Rose Gold Reference 7118R is smelted and CNC-machined in 18K Rose Gold Au750 (35.2 mm x 8.62 mm). Prior to archival release, the completed assembly is weighed on a calibrated Mettler-Toledo balance at 145.7g and scanned via non-destructive Fischer XRF spectroscopy.
What Are the Horological & Metallurgical Benchmarks of Patek Philippe Nautilus Ref. 7118R?
The Patek Philippe Nautilus Reference 7118R 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 145.7g, 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 Foundry & Laboratory Assay Specifications:
- Foundry Specimen Entity: Patek Philippe Nautilus Ladies Automatic 18K Rose Gold — Official Ref. 7118R (Specimen LAB-XRF-7118R-W565).
- XRF Metallurgical Assay: 18K Rose Gold Au750 certified for elemental composition and hallmark integrity.
- Mettler-Toledo Mass: 145.7g verified gravimetric parity matching the authentic manufacture reference.
- Chronometric Calibre: Patek Philippe Cal. 324 S C - 21K Gold Rotor beating at 28,800 vph (4 Hz) with 72-hour reserve and +0.4 s/d, 303 deg Witschi trace.
- Optical & Pressure Testing: Double anti-reflective sapphire crystal, Hand-Finished Collector Dial with Solid 18K Gold Applied Hour Markers & Hands, and 60m / 6 ATM barometric sealing.
Within the Patek Philippe Nautilus horological sub-silo, collectors also compare the Patek Philippe Nautilus Moonphase & Power Reserve 18K Rose Gold Ref. 5712R (105.6g) and the Patek Philippe Nautilus Moonphase & Power Reserve 18K Rose Gold Ref. 5712/1R-001 (186.2g).
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- Technical Research Monograph: Witschi Chronoscope X1 6-Position Watch Timing & Rate Guide (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 7118R (Patek Philippe)?
Every 18K Factory specimen is verified on three calibrated instruments on 4K video: a Mettler-Toledo analytical balance (145.7g), a Fischer XRF spectrometer (18K Rose Gold Au750), and a Witschi Chronoscope (+0.4 s/d, 303 deg).
Does the 145.7g reading match the authentic original Patek Philippe 7118R weight?
Yes. Our CNC foundry machines the 18K Rose Gold case and bracelet to replicate the exact 145.7g reference mass of the authentic manufacture timepiece.
What are the movement specifications for Reference 7118R?
Reference 7118R is powered by the Patek Philippe Cal. 324 S C - 21K Gold Rotor operating at 28,800 vph (4 Hz) with a 72-hour power reserve, regulated across six positions to +0.4 s/d, 303 deg.
What dial and bezel specifications distinguish Patek Philippe Nautilus Ref. 7118R?
Reference 7118R 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 145.7g, 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 Ref. 7118R — XRF Certified Edition
Fischer XRF Verified 18K Rose Gold Au750 • Mettler-Toledo 145.7g • Patek Philippe Cal. 324 S C - 21K Gold Rotor
| Assay Specimen ID & Official Reference | Patek Philippe — Nautilus Ladies Automatic | Ref. 7118R | SKU: LAB-XRF-7118R-W565 |
|---|---|
| Fischer XRF Elemental Purity & Alloy | 18K Rose Gold Au750 — Au750 — 75.0% Pure 18K Gold Bullion (XRF Verified) • Hallmarked Solid Precious Metal |
| Mettler-Toledo Gravimetric Mass (g) | 145.7g — 1:1 Authentic Reference Mass Verified on Mettler-Toledo Analytical Scale |
| Bezel Tolerance, Gem-Setting & Case Dimension | Satin-Brushed Rounded Octagonal Bezel with Mirror-Polished Chamfered Bevels with Anti-Reflective Scratch-Resistant Sapphire Crystal • 145.7g 18K Rose Gold • 35.2 mm x 8.62 mm |
| Calibre Reference & Witschi Chronometry | Patek Philippe Cal. 324 S C - 21K Gold Rotor — Swiss Super Clone Mechanical Calibre Regulated to +0.4 s/d, 303 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 • 60m / 6 ATM |
| Dial Metallurgy & Clasp Hallmark Verification | 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 |