The weekly calendar is marked in Chinese, with English on the right and numbers on the left. Although some counterfeit TAG Heuer watches are printed with sWISSMOVT letters on the dial to show that they are shockproof watches, these watches usually have many defects and flaws on the dial, such as improper setting of dial characters, vague marks on the dividing line, inaccurate setting of letters and patterns of dial characters or trademarks, many scratches, discoloration, and falling off of night lights. And the night lights are added to the inside of the dial characters. Observe the back cover of TAG Heuer watch. All original TAG Heuer watches, especially men's watches, must be printed with many English letters on the back cover of the case, indicating the brand name of TAG Heuer watch, the country of production (made in Switzerland), the name of all-steel or semi-steel waterproof (waterproof), antimagnetic, shockproof or shockproof device, and engraved with the trademark pattern dedicated to the brand of plum blossom watch. In addition, some numbers are engraved to indicate the movement number and shell number of plum blossom watch. Most of the patterns and letters engraved on the back cover of counterfeit TAG Heuer watches are thick and vague, and the shell number and movement number are unknown. The back cover of original TAG Heuer watches is generally covered with a film. Swiss-made watch with gold-plated case is engraved with letters such as PLAQUEGI0 at the opening of the case (opposite to the spring rod for mounting the strap), indicating that the case is 10 micron gold-plated.