Noticeable with the caseback, the oscillating mass in the movement is delicately engraved. It's created from 18-karat gold and decorated by hand that has a barley grain pattern, carried out by guilloche Crafted by Swiss watchmaker Tissot, the T-Vintage Gentleman has each of the core traits of a terrific costume https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/