2026 LATEST BATCH • DANDONG 4131 & 3235 CALIBERS

Clean Factory Watches
1:1 Super-Clone Horology.

Flagship Showcase: Cosmograph Daytona Ref. 126500LN (72h Reserve)

Machined from solid medical-grade 904L Oystersteel with platinum-dusted Cerachrom bezels and authentic non-decorated Dandong movements. Every timepiece passes strict Weishi 1900 multi-position Timegrapher diagnostics and HD video approval before insured triangle dispatch.

11.9 mm Exact Case Profile
0 to +6 s/d Calibrated Rate
98.7% Triangle Clearance
100% Customs Seizure Guarantee • Pre-Shipment Weishi 1900 HD QC Video
ANTI-COUNTERFEIT VERIFICATION

Genuine Clean Factory vs. Market "Fake Clean"

Over 60% of online sellers advertise low-tier modified movements using counterfeit Clean stickers. Below are the exact physical tolerances we verify on every watch before sending your pre-shipment Weishi 1900 QC video.

Engineering Component Authentic Clean Factory (Our Direct Stock) Mid-Tier / "Fake Clean" Imitations
Daytona Movement Genuine Dandong 4131 / 4130 (Integrated column wheel, vertical clutch, skeletonized ball-bearing rotor, 72h power reserve) Modified 7750 or Shanghai base with decorative dummy plates (Unstable chronograph, 38h reserve)
GMT-Master II Caliber Dandong 3285 Super (72-hour reserve, true independent jumping local hour hand) Asian 2836/3186 with incorrect hand-stack order and 40-hour power reserve
Steel Metallurgy Solid 904L Oystersteel (Identical weight, high chromium anti-corrosion sheen, CNC-chamfered inner links) Standard 316L steel stamped with fake 904L stickers (Sharp edges, lighter clasp weight)
Ceramic Bezel (Cerachrom) Clean V5 Platinum PVD Insert (Seamless UV red/blue transition on Pepsi, zero fading or graying) Painted lacquer numerals that oxidize grey within months; visible seam line at 6 & 18 o'clock
Pre-Shipment QC Proof 1-on-1 Weishi 1900 Timegrapher Video + Open-Caseback & Macro Rehaut Serial Check before shipping Stock catalog photos only; shipped blindly without client timing approval
Unsure how to spot an authentic Dandong 4131 or 3285 movement? Inspect our high-resolution workshop movement teardown or chat with our horology desk via Live Chat.
MOST REQUESTED REFERENCES

Best-Selling Flagship Timepieces

Direct from our 2026 latest production batch. Select your reference below to place an order directly on our site—every order includes complimentary Weishi 1900 Timegrapher QC verification prior to dispatch.