Calendar, week, month, and other functions are all true and can be used normally. The watch case is made of 316L precision steel material, with high-precision CNC treatment for the entire case, and the density matches the original equipment! Literally, the overall color is perfectly presented according to the original packaging. The shell cover is divided into a three piece set of circular mouth, shell, and bottom cover. The overall angle perfectly reflects the drawing process, and the fusion of quality and beauty!