5-Axis CNC Metallurgy & Mettler-Toledo Gravimetric Verification
The Omega Seamaster Aqua Terra 150M 41.5mm Cal. 8501 Reference 231.10.42.21.03.001 is a Monte-Carlo registered luxury timepiece crafted in 904L Stainless Steel Custom Architecture (41.0 mm x 13.2 mm) with a verified Mettler-Toledo analytical weight of 149.6g, powered by Omega Co-Axial Master Chronometer Cal. 8900 beating at 28,800 vph (+0.6 s/d, 302 deg) with a 72-hour power reserve, double anti-reflective sapphire crystal, and 150m / 15 ATM water resistance.
| Entity, Maison & Official Reference | Omega — Seamaster / De Ville Co-Axial Collection | Ref. 231.10.42.21.03.001 | SKU: MC-CUST-231.10.42.21.03.001-W357 |
|---|---|
| Precious Metal Alloy & XRF Purity | 904L Stainless Steel Custom Architecture — 5-Axis Swiss CNC Precision Architecture • 1:1 Authentic Reference Mass • Bespoke Collector Commission |
| Verified Total Mass (Mettler-Toledo Scale) | 149.6g — 1:1 Authentic Reference Mass Verified on Mettler-Toledo Analytical Scale |
| Bezel Architecture & Gem-Setting Spec | 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 |
| Swiss Super Clone Movement Calibre | Omega Co-Axial Master Chronometer Cal. 8900 — Swiss Super Clone Mechanical Calibre Regulated to +0.6 s/d, 302 deg |
| Power Reserve & Oscillation Frequency | 72-Hour Power Reserve • 28,800 vph (4 Hz) Free-Sprung Balance Wheel |
| Double AR Sapphire Crystal & Water Resistance | Scratch-Resistant Sapphire Crystal with Double Anti-Reflective Coating • 150m / 15 ATM |
| Dial Finishing & Hallmarked Bracelet Clasp | 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 |
Recorded in our Monte-Carlo solid 18K gold Omega register, the Omega Seamaster Aqua Terra 150M 41.5mm Cal. 8501 Reference 231.10.42.21.03.001 unites authentic Geneva proportions (41.0 mm x 13.2 mm) with a certified 904L Stainless Steel Custom Architecture mass of 149.6g. Every detail of the 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 hallmarked clasp is verified under our Fischer XRF Au750 and Mettler-Toledo laboratory protocol.
5 Core Horological & Metallurgical Specifications:
- Registered Entity & Ref: Omega Seamaster Aqua Terra 150M 41.5mm Cal. 8501 — Official Reference 231.10.42.21.03.001 (SKU: MC-CUST-231.10.42.21.03.001-W357).
- Precious Metal Alloy: 904L Stainless Steel Custom Architecture with deep mechanical hallmarking and 5-axis Swiss CNC case finishing.
- Verified Reference Mass: 149.6g confirmed on our Monte-Carlo showroom Mettler-Toledo analytical balance.
- Mechanical Calibre: Omega Co-Axial Master Chronometer Cal. 8900 operating at 28,800 vph (4 Hz) with 72-hour power reserve (+0.6 s/d, 302 deg).
- Sapphire Crystal & QC: Scratch-resistant sapphire crystal with double anti-reflective coating and 150m / 15 ATM water resistance.
Within the same Omega horological 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).
What is the verified authentic weight of this Omega Ref. 231.10.42.21.03.001?
This Omega Seamaster Aqua Terra 150M 41.5mm Cal. 8501 Ref. 231.10.42.21.03.001 weighs 149.6g in 904L Stainless Steel Custom Architecture, matching the exact authentic factory weight on our Monte-Carlo showroom Mettler-Toledo analytical balance.
Are all 6 showroom photographs of Reference 231.10.42.21.03.001 unedited studio shots?
Yes. All 6 gallery plates show the actual timepiece captured across multiple studio angles on our quality-control bench with zero stock renders.
Which movement powers Reference 231.10.42.21.03.001 and how do I request the 4K QC video?
Reference 231.10.42.21.03.001 is powered by the Omega Co-Axial Master Chronometer Cal. 8900 (28,800 vph, 72-hour power reserve, regulated to +0.6 s/d, 302 deg). Message our Monte-Carlo Private Client Concierge on WhatsApp (+1 305 724 0661) for your personalized 4K video dossier.
Omega Seamaster Aqua Terra 150M 41.5mm Cal. 8501 Ref. 231.10.42.21.03.001
Monte-Carlo Reference Register • 149.6g 904L Stainless Steel Custom Architecture • Omega Co-Axial Master Chronometer Cal. 8900