Tissot Gentleman Powermatic 80 Silicium Automatic 18 K Gold T927.407.46.041.01 T9274074604101 Men's WatchTissot Gentleman Powermatic 80 Silicium Automatic 18 K Gold T927. 407. 46. 041. 01 T9274074604101 Men's Watch The Tissot Gentleman Automatic reveals its Powermatic 80 movement (a reworked caliber 80. 811 based on the ETA 2824) with 80 hours power reserve and its rotor with finely engraved letterings (Waves of Time) and other decorations through an exhibition case back. Deep inside the movement is a silicon spring, which is Tissot's approach towards