Noticeable from the caseback, the oscillating mass from the movement is delicately engraved. It is actually created from 18-karat gold and decorated by hand having a barley grain pattern, accomplished by guilloche Crafted by Swiss watchmaker Tissot, the T-Common Gentleman has all of the core qualities of an excellent dress https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/