Fischer XRF Au750 (75.0%) & Mettler-Toledo Gravimetric Verification
The Omega Seamaster Aqua Terra 150M 41.5mm Cal. 8501 Reference 231.10.42.21.03.001 is a direct Swiss foundry specimen engineered in 904L Stainless Steel Custom Architecture (41.0 mm x 13.2 mm) with a certified Mettler-Toledo mass of 149.6g, Fischer XRF Au750 metallurgical verification, and Omega Co-Axial Master Chronometer Cal. 8900 running at 28,800 vph (+0.6 s/d, 302 deg) with a 72-hour power reserve and 150m / 15 ATM rating.
Catalogued in our direct Swiss foundry Omega assay archive under Specimen Code LAB-CNC-231.10.42.21.03.001-W357, this Omega Seamaster Aqua Terra 150M 41.5mm Cal. 8501 Reference 231.10.42.21.03.001 is smelted and CNC-machined in 904L Stainless Steel Custom Architecture (41.0 mm x 13.2 mm). Prior to archival release, the completed assembly is weighed on a calibrated Mettler-Toledo balance at 149.6g and scanned via non-destructive Fischer XRF spectroscopy.
What Are the Horological & Metallurgical Benchmarks of Omega Seamaster Ref. 231.10.42.21.03.001?
The Omega Seamaster Reference 231.10.42.21.03.001 is a precision-engineered luxury timepiece crafted in 904L Stainless Steel Custom Architecture (41.0 mm x 13.2 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 149.6g, because its Omega Co-Axial Master Chronometer Cal. 8900 movement is regulated across six positions to chronometric tolerances with a 72-hour power reserve.
5 Core Foundry & Laboratory Assay Specifications:
- Foundry Specimen Entity: Omega Seamaster Aqua Terra 150M 41.5mm Cal. 8501 — Official Ref. 231.10.42.21.03.001 (Specimen LAB-CNC-231.10.42.21.03.001-W357).
- XRF Metallurgical Assay: 904L Stainless Steel Custom Architecture certified for elemental composition and hallmark integrity.
- Mettler-Toledo Mass: 149.6g verified gravimetric parity matching the authentic manufacture reference.
- Chronometric Calibre: Omega Co-Axial Master Chronometer Cal. 8900 beating at 28,800 vph (4 Hz) with 72-hour reserve and +0.6 s/d, 302 deg Witschi trace.
- Optical & Pressure Testing: Double anti-reflective sapphire crystal, Hand-Finished Sunray Collector Dial with Hand-Finished Luminous Appliques & Hands, and 150m / 15 ATM barometric sealing.
Within the Omega Seamaster horological sub-silo, collectors also compare the Omega Seamaster Aqua Terra Worldtimer 45.5mm Ref. 215.92.46.22.01.006 (126.4g) and the Omega Heritage Seamaster 300 Big Triangle Military Vintage 41mm Ref. 165.024 (104.9g).
- Parent Brand & Seamaster Silo Hub: Browse All 4 Certified Omega 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 231.10.42.21.03.001 (Omega)?
Every 18K Factory specimen is verified on three calibrated instruments on 4K video: a Mettler-Toledo analytical balance (149.6g), a Fischer XRF spectrometer (904L Stainless Steel Custom Architecture), and a Witschi Chronoscope (+0.6 s/d, 302 deg).
Does the 149.6g reading match the authentic original Omega 231.10.42.21.03.001 weight?
Yes. Our CNC foundry machines the 904L Steel Edition case and bracelet to replicate the exact 149.6g reference mass of the authentic manufacture timepiece.
What are the movement specifications for Reference 231.10.42.21.03.001?
Reference 231.10.42.21.03.001 is powered by the Omega Co-Axial Master Chronometer Cal. 8900 operating at 28,800 vph (4 Hz) with a 72-hour power reserve, regulated across six positions to +0.6 s/d, 302 deg.
What dial and bezel specifications distinguish Omega Seamaster Ref. 231.10.42.21.03.001?
Reference 231.10.42.21.03.001 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 41.0 mm x 13.2 mm 904L Stainless Steel Custom Architecture case weighing 149.6g, verified via Fischer XRF spectroscopy and powered by Omega Co-Axial Master Chronometer Cal. 8900.
Omega Seamaster Aqua Terra 150M 41.5mm Cal. 8501 Ref. 231.10.42.21.03.001 — XRF Certified Edition
Fischer XRF Verified 904L Stainless Steel Custom Architecture • Mettler-Toledo 149.6g • Omega Co-Axial Master Chronometer Cal. 8900
| Assay Specimen ID & Official Reference | Omega — Seamaster / De Ville Co-Axial Collection | Ref. 231.10.42.21.03.001 | SKU: LAB-CNC-231.10.42.21.03.001-W357 |
|---|---|
| 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) | 149.6g — 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 • 149.6g 904L Steel Edition • 41.0 mm x 13.2 mm |
| Calibre Reference & Witschi Chronometry | Omega Co-Axial Master Chronometer Cal. 8900 — Swiss Super Clone Mechanical Calibre Regulated to +0.6 s/d, 302 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 • 150m / 15 ATM |
| Dial Metallurgy & Clasp Hallmark Verification | 41.0 mm x 13.2 mm • Hand-Finished Sunray Collector Dial with Hand-Finished Luminous Appliques & Hands • Hand-Brushed & Chamfered Integrated Solid Link Bracelet & Deployant Clasp |