Fischer XRF Au750 (75.0%) & Mettler-Toledo Gravimetric Verification
The Rolex GMT-Master Vintage Coke Red & Black Bezel Reference 1675 is a direct Swiss foundry specimen engineered in 904L Stainless Steel Custom Architecture (40.0 mm x 11.9 mm) with a certified Mettler-Toledo mass of 114.2g, Fischer XRF Au750 metallurgical verification, and Rolex Vintage Automatic Calibre running at 28,800 vph (+0.8 s/d, 303 deg) with a 72-hour power reserve and 100m / 330 ft - Triplock Screw-Down rating.
Catalogued in our direct Swiss foundry Rolex assay archive under Specimen Code LAB-CNC-1675-W214, this Rolex GMT-Master Vintage Coke Red & Black Bezel Reference 1675 is smelted and CNC-machined in 904L Stainless Steel Custom Architecture (40.0 mm x 11.9 mm). Prior to archival release, the completed assembly is weighed on a calibrated Mettler-Toledo balance at 114.2g and scanned via non-destructive Fischer XRF spectroscopy.
What Are the Horological & Metallurgical Benchmarks of Rolex GMT-Master II Ref. 1675?
The Rolex GMT-Master II Reference 1675 is a precision-engineered luxury timepiece crafted in 904L Stainless Steel Custom Architecture (40.0 mm x 11.9 mm) with Hand-Finished Sunray Collector Dial with Hand-Finished Luminous Appliques & Hands, Precision Brushed & Polished CNC Edition Bezel with Anti-Reflective Scratch-Resistant Sapphire Crystal, and a verified Mettler-Toledo mass of 114.2g, because its Rolex Vintage Automatic Calibre movement is regulated across six positions to chronometric tolerances with a 72-hour power reserve.
5 Core Foundry & Laboratory Assay Specifications:
- Foundry Specimen Entity: Rolex GMT-Master Vintage Coke Red & Black Bezel — Official Ref. 1675 (Specimen LAB-CNC-1675-W214).
- XRF Metallurgical Assay: 904L Stainless Steel Custom Architecture certified for elemental composition and hallmark integrity.
- Mettler-Toledo Mass: 114.2g verified gravimetric parity matching the authentic manufacture reference.
- Chronometric Calibre: Rolex Vintage Automatic Calibre beating at 28,800 vph (4 Hz) with 72-hour reserve and +0.8 s/d, 303 deg Witschi trace.
- Optical & Pressure Testing: Double anti-reflective sapphire crystal, Hand-Finished Sunray Collector Dial with Hand-Finished Luminous Appliques & Hands, and 100m / 330 ft - Triplock Screw-Down barometric sealing.
Within the Rolex GMT-Master II horological sub-silo, collectors also compare the Rolex GMT-Master Vintage Ref. 1675 (113.9g) and the Rolex GMT-Master II Graduated Royal Blue Sunburst Dial 18K White Gold Ref. 126719BLRO (225.1g).
- Parent Brand & GMT-Master II Silo Hub: Browse All 289 Certified Rolex Solid 18K Gold & Pt950 Watches
- Technical Research Monograph: Fischer XRF Au750 Spectrometry Watch Authentication SOP-750 (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 1675 (Rolex)?
Every 18K Factory specimen is verified on three calibrated instruments on 4K video: a Mettler-Toledo analytical balance (114.2g), a Fischer XRF spectrometer (904L Stainless Steel Custom Architecture), and a Witschi Chronoscope (+0.8 s/d, 303 deg).
Does the 114.2g reading match the authentic original Rolex 1675 weight?
Yes. Our CNC foundry machines the 904L Steel Edition case and bracelet to replicate the exact 114.2g reference mass of the authentic manufacture timepiece.
What are the movement specifications for Reference 1675?
Reference 1675 is powered by the Rolex Vintage Automatic Calibre operating at 28,800 vph (4 Hz) with a 72-hour power reserve, regulated across six positions to +0.8 s/d, 303 deg.
What dial and bezel specifications distinguish Rolex GMT-Master II Ref. 1675?
Reference 1675 combines Hand-Finished Sunray Collector Dial with Hand-Finished Luminous Appliques & Hands and Precision Brushed & Polished CNC Edition Bezel with Anti-Reflective Scratch-Resistant Sapphire Crystal within a 40.0 mm x 11.9 mm 904L Stainless Steel Custom Architecture case weighing 114.2g, verified via Fischer XRF spectroscopy and powered by Rolex Vintage Automatic Calibre.
Rolex GMT-Master Vintage Coke Red & Black Bezel Ref. 1675 — XRF Certified Edition
Fischer XRF Verified 904L Stainless Steel Custom Architecture • Mettler-Toledo 114.2g • Rolex Vintage Automatic Calibre
| Assay Specimen ID & Official Reference | Rolex — Oyster Perpetual GMT-Master Vintage | Ref. 1675 | SKU: LAB-CNC-1675-W214 |
|---|---|
| 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) | 114.2g — 1:1 Authentic Reference Mass Verified on Mettler-Toledo Analytical Scale |
| Bezel Tolerance, Gem-Setting & Case Dimension | Precision Brushed & Polished CNC Edition Bezel with Anti-Reflective Scratch-Resistant Sapphire Crystal • 114.2g 904L Steel Edition • 40.0 mm x 11.9 mm |
| Calibre Reference & Witschi Chronometry | Rolex Vintage Automatic Calibre — Swiss Super Clone Mechanical Calibre Regulated to +0.8 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 • 100m / 330 ft - Triplock Screw-Down |
| Dial Metallurgy & Clasp Hallmark Verification | 40.0 mm x 11.9 mm • Hand-Finished Sunray Collector Dial with Hand-Finished Luminous Appliques & Hands • Hand-Brushed & Chamfered Integrated Solid Link Bracelet & Deployant Clasp |