Gravimetric Mass & Chronometric Assay Bulletin
The Patek Philippe Aquanaut Extra-Large Self-Winding Singapore Special Edition Reference 5167A is a hallmarked 904L Stainless Steel Custom Architecture haute horlogerie timepiece measuring 40.8 mm x 8.1 mm with a verified Mettler-Toledo mass of 79.9g, powered by Patek Philippe Cal. 324 S C - 21K Gold Rotor operating at 28,800 vph (+0.4 s/d, 303 deg) with a 72-hour power reserve, double anti-reflective sapphire crystal, and 120m / 12 ATM water resistance.
| I. Official Maison Entity & Reference | Patek Philippe — Aquanaut Extra-Large Self-Winding | Ref. 5167A | SKU: PV-CUST-5167A-W745 |
|---|---|
| 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) | 79.9g — 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 • 79.9g 904L Steel Edition • 40.8 mm x 8.1 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, 303 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 • 120m / 12 ATM |
| VIII. Dial Finishing, Bracelet & Hallmarked Clasp | 40.8 mm x 8.1 mm • Hand-Finished Sunray Collector Dial with Hand-Finished Luminous Appliques & Hands • Hand-Brushed & Chamfered Vulcanized Elastomer / Alligator Strap & Folding Clasp |
Curated within our hallmarked solid 18K gold Patek Philippe collection, the Patek Philippe Aquanaut Extra-Large Self-Winding Singapore Special Edition Reference 5167A exemplifies haute horlogerie metallurgy in 904L Stainless Steel Custom Architecture. Milled to exact manufacture geometry (40.8 mm x 8.1 mm), the monobloc middle case, Satin-Brushed Rounded Octagonal Bezel with Mirror-Polished Chamfered Bevels with Anti-Reflective Scratch-Resistant Sapphire Crystal, and Hand-Brushed & Chamfered Vulcanized Elastomer / Alligator Strap & Folding Clasp achieve a verified analytical mass of 79.9g on our Fischer XRF Au750 and Mettler-Toledo assay bench.
What Are the Horological & Metallurgical Benchmarks of Patek Philippe Aquanaut Ref. 5167A?
The Patek Philippe Aquanaut Reference 5167A is a precision-engineered luxury timepiece crafted in 904L Stainless Steel Custom Architecture (40.8 mm x 8.1 mm) with Hand-Finished Sunray Collector Dial with Hand-Finished Luminous Appliques & 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 79.9g, 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 Aquanaut Extra-Large Self-Winding Singapore Special Edition — Official Reference 5167A (SKU: PV-CUST-5167A-W745).
- Precious Metal Assay: 904L Stainless Steel Custom Architecture verified via non-destructive Fischer X-Ray Fluorescence spectroscopy.
- Gravimetric Parity: 79.9g 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, 303 deg).
- Crystal & Hermeticity: Scratch-resistant sapphire crystal with double anti-reflective coating and 120m / 12 ATM rating.
Within the Patek Philippe Aquanaut horological sub-silo, collectors also compare the Patek Philippe Aquanaut Extra-Large Self-Winding Diamond-Set Bezel Geneva Atelier Spec Ref. 5167A (79.8g) and the Patek Philippe Aquanaut Extra-Large Self-Winding Monte-Carlo Showroom Spec Ref. 5167A (79.2g).
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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. 5167A?
At 18K Solid Gold 18K Solid Gold Salon, this Patek Philippe Aquanaut Extra-Large Self-Winding Singapore Special Edition Ref. 5167A weighs 79.9g 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 5167A and what is its power reserve?
Reference 5167A 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, 303 deg.
What dial and bezel specifications distinguish Patek Philippe Aquanaut Ref. 5167A?
Reference 5167A combines Hand-Finished Sunray Collector Dial with Hand-Finished Luminous Appliques & Hands and Satin-Brushed Rounded Octagonal Bezel with Mirror-Polished Chamfered Bevels with Anti-Reflective Scratch-Resistant Sapphire Crystal within a 40.8 mm x 8.1 mm 904L Stainless Steel Custom Architecture case weighing 79.9g, verified via Fischer XRF spectroscopy and powered by Patek Philippe Cal. 324 S C - 21K Gold Rotor.
Patek Philippe Aquanaut Extra-Large Self-Winding Singapore Special Edition Reference 5167A — Salon Edition
Bespoke Atelier Salon Edition • 79.9g Verified Mass • Patek Philippe Cal. 324 S C - 21K Gold Rotor