Gravimetric Mass & Chronometric Assay Bulletin
The Patek Philippe Nautilus Grand Complication Perpetual Calendar Sunburst Blue Dial 18K White Gold Reference 5740/1G-001 is a hallmarked 18K White Gold Au750 haute horlogerie timepiece measuring 40.0 mm x 8.42 mm with a verified Mettler-Toledo mass of 183.6g, powered by Patek Philippe Ultra-Thin Cal. 240 Q Perpetual Calendar - 22K Gold Micro-Rotor operating at 28,800 vph (+0.7 s/d, 298 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 Perpetual Calendar | Ref. 5740/1G-001 | SKU: PV-AU750-5740/1G-001-W758 |
|---|---|
| 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) | 183.6g — 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 • 183.6g 18K White Gold • 40.0 mm x 8.42 mm |
| V. Mechanical Manufacture Calibre | Patek Philippe Ultra-Thin Cal. 240 Q Perpetual Calendar - 22K Gold Micro-Rotor — Swiss Super Clone Mechanical Calibre Regulated to +0.7 s/d, 298 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 | 40.0 mm x 8.42 mm • Sunburst Blue Horizontally Embossed Dial with Perpetual Calendar & Moonphase Subdials • Integrated Solid 18K White Gold Nautilus Link Bracelet with Fold-Over Deployant Clasp |
Curated within our hallmarked solid 18K gold Patek Philippe collection, the Patek Philippe Nautilus Grand Complication Perpetual Calendar Sunburst Blue Dial 18K White Gold Reference 5740/1G-001 exemplifies haute horlogerie metallurgy in 18K White Gold Au750. Milled to exact manufacture geometry (40.0 mm x 8.42 mm), the monobloc middle case, Satin-Brushed Rounded Octagonal Bezel with Mirror-Polished Chamfered Bevels with Anti-Reflective Scratch-Resistant Sapphire Crystal, and Integrated Solid 18K White Gold Nautilus Link Bracelet with Fold-Over Deployant Clasp achieve a verified analytical mass of 183.6g on our Fischer XRF Au750 and Mettler-Toledo assay bench.
What Are the Horological & Metallurgical Benchmarks of Patek Philippe Nautilus Ref. 5740/1G-001?
The Patek Philippe Nautilus Reference 5740/1G-001 is a precision-engineered luxury timepiece crafted in 18K White Gold Au750 (40.0 mm x 8.42 mm) with Sunburst Blue Horizontally Embossed Dial with Perpetual Calendar & Moonphase Subdials, Satin-Brushed Rounded Octagonal Bezel with Mirror-Polished Chamfered Bevels with Anti-Reflective Scratch-Resistant Sapphire Crystal, and a verified Mettler-Toledo mass of 183.6g, because its Patek Philippe Ultra-Thin Cal. 240 Q Perpetual Calendar - 22K Gold Micro-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 Grand Complication Perpetual Calendar Sunburst Blue Dial 18K White Gold — Official Reference 5740/1G-001 (SKU: PV-AU750-5740/1G-001-W758).
- Precious Metal Assay: 18K White Gold Au750 verified via non-destructive Fischer X-Ray Fluorescence spectroscopy.
- Gravimetric Parity: 183.6g total mass weighed on a calibrated Mettler-Toledo laboratory scale.
- Calibre & Oscillating System: Patek Philippe Ultra-Thin Cal. 240 Q Perpetual Calendar - 22K Gold Micro-Rotor beating at 28,800 vph (4 Hz) with a 72-hour power reserve (+0.7 s/d, 298 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 Moonphase & Power Reserve 18K Rose Gold Geneva Atelier Spec Ref. 5712/1R-001 (186.1g) and the Patek Philippe Nautilus Off-Catalogue Baguette Ruby Bezel Diamond-Set Bezel 950 Platinum Ref. 5711/112P-001 (244.6g).
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- Homepage Master Register: Return to 18K SOLID GOLD Homepage (Complete 774-Watch Solid 18K Gold & Pt950 Register)
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- 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. 5740/1G-001?
At 18K Solid Gold 18K Solid Gold Salon, this Patek Philippe Nautilus Grand Complication Perpetual Calendar Sunburst Blue Dial 18K White Gold Ref. 5740/1G-001 weighs 183.6g 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 5740/1G-001 and what is its power reserve?
Reference 5740/1G-001 is equipped with the Patek Philippe Ultra-Thin Cal. 240 Q Perpetual Calendar - 22K Gold Micro-Rotor operating at 28,800 vph (4 Hz) with a 72-hour power reserve, regulated in our Paris and Geneva workshop to +0.7 s/d, 298 deg.
What dial and bezel specifications distinguish Patek Philippe Nautilus Ref. 5740/1G-001?
Reference 5740/1G-001 combines Sunburst Blue Horizontally Embossed Dial with Perpetual Calendar & Moonphase Subdials and Satin-Brushed Rounded Octagonal Bezel with Mirror-Polished Chamfered Bevels with Anti-Reflective Scratch-Resistant Sapphire Crystal within a 40.0 mm x 8.42 mm 18K White Gold Au750 case weighing 183.6g, verified via Fischer XRF spectroscopy and powered by Patek Philippe Ultra-Thin Cal. 240 Q Perpetual Calendar - 22K Gold Micro-Rotor.
Patek Philippe Nautilus Grand Complication Perpetual Calendar Sunburst Blue Dial 18K White Gold Reference 5740/1G-001 — Hallmarked Edition
Hallmarked Au750 & Pt950 Salon Edition • 183.6g Verified Mass • Patek Philippe Ultra-Thin Cal. 240 Q Perpetual Calendar - 22K Gold Micro-Rotor