Featuring an open case back so you can admire the Powermatic 80 movement, this Tissot Gentleman Powermatic 80 Silicium Automatic Men\'s Watch showcases ultimate sophistication when it comes to the design of the watch. At A Glance  Presented on a brown leather strap with white stitching 40mm case size with 100m water resistance Blue dial with silver polished bezel Silver baton hour markers with date window at 3 o\'clock Scratch resistant sapphire crystal glass Powered by the Powermatic 80 Swiss automatic movement Power reserve of 80 hours