White shell and gold shell 50 original molded Citizen version, configuration parameters brand Omega series butterfly series movement pure imported Citizen new machine (zero refurbishment) Each movement undergoes strict QC calibration before shipment, very strict and almost zero The service life of the rework design is 10 years (make sure it is produced by Tt factory). The case material is 316L stainless steel, CNC engraving, ultra-precision waterproof depth meters, the lettering is the latest version of the De Ville orbit lettering, and the word nails are butt welded and inlaid with the same process as genuine products (the first in the industry). Diameter 39.5m / 9.7m (the only one on the market that is consistent with the genuine product) Product grade Super A glass imported sapphire glass (0 difference in exposure and transparency compared with the original) Strap American alligator leather strap (black/brown) Steel Belt, 316L steel has been professionally polished by top masters/gloss/roundness/comfortability/has the same quality as genuine products. The buckle is original and easy to attach. The steel buckle has the same mold as the original mold and has the same function as the "manually retractable buckle".