Rolex Day Date 228239 904L Steel 40MM
Craftsmanship & Technical Specifications
Atelier Description & Craftsmanship
For collectors comparing production batches of the Rolex Day Date 228239 904L Steel 40MM, this Clean / VS Factory release stands out for its Solid 904L Oystersteel (Satin & Mirror Finished) finishing (40MM (1:1 Factory Dimensions)) and regulated 1:1 Cloned Swiss Automatic Calibre (28,800 vph) movement (48–70 Hour Power Reserve).
Dial Typography, Lume Application & Clasp Mechanics
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.
Individual QC Video & Triangular Express Logistics
- Calibre & Rate Regulation: Regulated on our bench to chronometer tolerances (-2/+2 seconds/day) using the 1:1 Cloned Swiss Automatic Calibre (28,800 vph).
- Personal Macro QC Sign-Off: You review high-resolution dial/clasp photos and a timegrapher video of your specific serial number within 48 hours before we seal the parcel.
- Customs-Safe Express Delivery: Backed by a 3-year movement warranty and free replacement guarantee through triangular DHL/FedEx logistics.
Best Replica Watch Factories Ranked: Clean Factory vs VSF vs 3KF vs APSF (2026)
Explore our factory comparison guide covering Clean Factory, VSF, 3KF, APSF, and ZF to compare movement calibres, case finishing, and QC standards.
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 Day Date 228239 904L Steel 40MM |
|---|---|
| Atelier / Factory | Clean / VS Factory (Certified Tier 1 Atelier) |
| Movement Architecture | 1:1 Swiss Super Clone Automatic Movement (28,800 vph Smooth Sweep) |
| 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 |