Rolex GMT Masters II Diamonds watch in 904L Case – Clean Factory Cal.3285 V1
Craftsmanship & Technical Specifications
Atelier Description & Craftsmanship
For collectors comparing production batches of the Rolex GMT Masters II Diamonds watch in 904L Case – Clean Factory Cal.3285 V1, this Clean Factory release stands out for its Solid 904L Oystersteel (Satin & Mirror Finished) finishing (40MM × 12.1mm (Bi-directional 24-Hour Bezel)) and regulated Dandong DD3285 True GMT with Independent Hour Hand movement (70-Hour Reserve (28,800 vph)).
Metallurgy, Crystal Clarity & Wrist Balance
The balance wheel oscillates at a true 28,800 vph, producing a smooth sweep across the dial. Paired with an AR-treated sapphire crystal and solid-link clasp hardware, it captures the exact wrist feel of the reference.
Pre-Shipment Studio Inspection & 3-Year Warranty
Every Rolex GMT Masters II Diamonds watch in 904L Case – Clean Factory Cal.3285 V1 goes through our three-stage Geneva bench check within 24–48 hours of your order: first, a 5-position digital timegrapher calibration (+/- 2s/day); second, a dry vacuum pressure test on the case seals; and third, a macro video inspection sent directly to your WhatsApp or email for sign-off. Your shipment travels via insured triangular express air freight with a 100% customs pass guarantee and our 3-year mechanical warranty.
Solid 904L Oystersteel vs 316L Stainless Steel: Metallurgy & Corrosion Test (2026)
Understand the difference between Rolex 904L Oystersteel and 316L stainless steel, including corrosion resistance, weight feel, and brushed-and-polished finishing.
Read Complete Technical ComparisonEvery timepiece at SwissClone undergoes a 48-hour timegrapher inspection and waterproof pressure test before insured worldwide dispatch. Explore related collections and matching references below:
Technical Specifications Matrix
| Manufacture & Reference | Rolex GMT Masters II Diamonds watch in 904L Case – Clean Factory Cal.3285 V1 |
|---|---|
| Atelier / Factory | Clean Factory (Certified Tier 1 Atelier) |
| Movement Architecture | 1:1 Super Clone Calibre 3285 GMT (Independent Jumping Hour Hand) |
| Case Metallurgy | Solid 904L Oystersteel (Exact 1:1 Weight & Finish) |
| Crystal & Lens | Double AR Coated Scratchproof Sapphire |
| Water Resistance | Vacuum Pressure Tested to 50m (5 ATM) |
| Luminescence | Swiss Super-LumiNova Luminescent Coating |
| Warranty & QC | 3-Year Comprehensive Mechanism Warranty + 48h QC |