Obvious throughout the caseback, the oscillating mass with the motion is delicately engraved. It is made out of 18-karat gold and decorated by hand having a barley grain pattern, completed by guilloche Crafted by Swiss watchmaker Tissot, the T-Basic Gentleman has all the core characteristics of an awesome gown observe: https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/