As a new manufacturing facility, 904L Factory believes that attention to detail is a sign of respect toward our customers. While many manufacturers currently support this series, 904L Factory stands out due to the watchmaker’s relentless pursuit of excellence. (As the saying goes, the best things come last.) The name ‘904L’ originates from the fact that the model 126500 uses 904 steel—officially known as super-austenitic stainless steel—which offers excellent corrosion resistance (commonly referred to as wear resistance) and has a density of 8.06 g/cm³. Leveraging its inherent material advantages, 904L Factory controls product quality at the source, while precision finishing, polishing, and brushing play crucial roles in later production stages. The entire process of crafting the watch case is highly complex.
Technology 1: The dial replicates the genuine enamel white finish through repeated calibration, achieving approximately 99% accuracy in color matching. Hour markers are perfectly rounded, and luminescent material filling is indistinguishable from the original.
Technology 2: Printing uses imported glossy ink materials, resulting in three-dimensional, full-bodied fonts that closely mimic the authentic version.
Technology 3: The steel bezel with ceramic inlay features flawless lettering without burrs. Under 100x magnification, font edges are sharp and clearly defined, with inner contours. 18K white gold vacuum plating ensures permanent color retention.
Technology 4: Features the latest crown laser marking with a new three-ring design, replacing the older two-ring version. Currently, only 904L Factory has acquired an authentic sample to precisely replicate the updated crown laser engraving—an incredibly detailed effort that truly honors the craft.
Technology 5: The 4131 movement’s hour, minute, and second chronograph hands appear nearly identical to those of the previous 4130 model, with only slight differences in pin height; overall appearance remains consistent.
Technology 6: The bracelet clasp bears a dragon-and-phoenix logo engraved using imported femtosecond laser technology. When magnified, the pattern is clearly visible and highly accurate in reproduction—far surpassing standard laser engraving and unmatched by ordinary factories. Customers are encouraged to conduct comparative evaluations.
Technology 7: The entire watch, including the case back and toothed ring, is crafted from austenitic 904L steel, with form and composition nearly identical to the original. Spectroscopic analysis is welcome for material verification.
Thank you for reading and sharing. High-resolution images showcasing fine details are provided by 904L Factory.







































![6931a8bfccd8ab3d7af9d305 JF Sales Hit 15710 Tape Version Black Dial, 15710 Steel Ceramic, 15706, Royal Oak Chronograph Series, Ginza, Bumblebee, 42M Titanium Ceramic, 26400 Full Rose White Rubber, Old Rose Ceramic, New Rose Ceramic! Limited Stock Arrived, Please Reorder if Needed. Thank You [Smile]](https://handbaggg.com/wp-content/uploads/2025/12/6931a8bfccd8ab3d7af9d305-1000x669.jpg)

