SJ Production Red Blue Black Gray Black Blue Black Green .ERFAOTCRY No-Card Movement Rolex ROLEX Greenwich Series C2 redefines the top replica of the strongest Rolex GMT-Master II Coke bezel.With a 40MM diameter, the case is crafted from 904 stainless steel, featuring an upgraded metallic brushing technique that provides a delicate brushed feel consistent with the genuine article.Exclusively developed red and blue ceramic bezel, with repeated color adjustments and firing processes achieving zero color difference. The bezel markings are silver-plated with a fine texture and bright luster.The black dial is deep yet elegant, and the logo font has been fine-tuned multiple times against the genuine product to eliminate any discrepancies.The hour markers and hands utilize Swiss-imported luminous powder, achieving the same granularity and luminosity as the genuine factory standards.Each link of the 904 stainless steel bracelet is polished individually, with gaps adjusted to a micron level to achieve the same softness as the genuine article.The movement has undergone years of research, modification, and generational upgrades, resulting in the top market-leading No-Card Caliber: 3285 movement.Every movement is subjected to extensive testing before leaving the factory to ensure it meets high-quality standards! .ERF has redefined the Coke bezel, sincerely offering it to watch enthusiasts! S1 is a refined recommendation for men's multifunctional mechanical wristwatch.