Fischer XRF Au750 (75.0%) & Mettler-Toledo Gravimetric Verification
The Patek Philippe Aquanaut Extra-Large Self-Winding Chronometer Regulated Spec Reference 5167A is a direct Swiss foundry specimen engineered in 904L Stainless Steel Custom Architecture (40.8 mm x 8.1 mm) with a certified Mettler-Toledo mass of 79.3g, Fischer XRF Au750 metallurgical verification, and Patek Philippe Cal. 324 S C - 21K Gold Rotor running at 28,800 vph (+0.7 s/d, 301 deg) with a 72-hour power reserve and 120m / 12 ATM rating.
Catalogued in our direct Swiss foundry Patek Philippe assay archive under Specimen Code LAB-CNC-5167A-W293, this Patek Philippe Aquanaut Extra-Large Self-Winding Chronometer Regulated Spec Reference 5167A is smelted and CNC-machined in 904L Stainless Steel Custom Architecture (40.8 mm x 8.1 mm). Prior to archival release, the completed assembly is weighed on a calibrated Mettler-Toledo balance at 79.3g and scanned via non-destructive Fischer XRF spectroscopy.
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 79.3g, 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 Aquanaut Extra-Large Self-Winding Chronometer Regulated Spec — Official Ref. 5167A (Specimen LAB-CNC-5167A-W293).
- XRF Metallurgical Assay: 904L Stainless Steel Custom Architecture certified for elemental composition and hallmark integrity.
- Mettler-Toledo Mass: 79.3g 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 +0.7 s/d, 301 deg Witschi trace.
- Optical & Pressure Testing: Double anti-reflective sapphire crystal, Hand-Finished Sunray Collector Dial with Hand-Finished Luminous Appliques & Hands, and 120m / 12 ATM barometric sealing.
Within the Patek Philippe Aquanaut horological sub-silo, collectors also compare the Patek Philippe Aquanaut Extra-Large Self-Winding Master Watchmaker Spec Ref. 5167A (79.1g) and the Patek Philippe Aquanaut Extra-Large Self-Winding Custom SW Dial Ref. 5167A (79.5g).
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- Metallurgical & Escrow Verification: Fischer XRF Au750 Protocol • 3-Year Mechanical Warranty • Insured Armored Delivery
What laboratory instruments certify Reference 5167A (Patek Philippe)?
Every 18K Factory specimen is verified on three calibrated instruments on 4K video: a Mettler-Toledo analytical balance (79.3g), a Fischer XRF spectrometer (904L Stainless Steel Custom Architecture), and a Witschi Chronoscope (+0.7 s/d, 301 deg).
Does the 79.3g reading match the authentic original Patek Philippe 5167A weight?
Yes. Our CNC foundry machines the 904L Steel Edition case and bracelet to replicate the exact 79.3g reference mass of the authentic manufacture timepiece.
What are the movement specifications for Reference 5167A?
Reference 5167A 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 +0.7 s/d, 301 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 79.3g, verified via Fischer XRF spectroscopy and powered by Patek Philippe Cal. 324 S C - 21K Gold Rotor.
Patek Philippe Aquanaut Extra-Large Self-Winding Chronometer Regulated Spec Ref. 5167A — XRF Certified Edition
Fischer XRF Verified 904L Stainless Steel Custom Architecture • Mettler-Toledo 79.3g • Patek Philippe Cal. 324 S C - 21K Gold Rotor
| Assay Specimen ID & Official Reference | Patek Philippe — Aquanaut Extra-Large Self-Winding | Ref. 5167A | SKU: LAB-CNC-5167A-W293 |
|---|---|
| Fischer XRF Elemental Purity & Alloy | 904L Stainless Steel Custom Architecture — 5-Axis Swiss CNC Precision Architecture • 1:1 Authentic Reference Mass • Bespoke Collector Commission |
| Mettler-Toledo Gravimetric Mass (g) | 79.3g — 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 • 79.3g 904L Steel Edition • 40.8 mm x 8.1 mm |
| Calibre Reference & Witschi Chronometry | Patek Philippe Cal. 324 S C - 21K Gold Rotor — Swiss Super Clone Mechanical Calibre Regulated to +0.7 s/d, 301 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 • 120m / 12 ATM |
| Dial Metallurgy & Clasp Hallmark Verification | 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 |