The le locle powermatic 80 open heart is an authentic expression of tissot signature style. This classic design features an open heart design so that you can easily see the beauty of the movement. The timepiece is named after tissot's home and heritage, nestled in the swiss jura mountains. Textured silver-tone dial with skeleton peek; date display 39. 3mm stainless steel case with see-through case back; scratch-resistant sapphire crystal powermatic 80 automatic swiss movement with power reserve to 80 hours interchangeable brown gator-pattern leather quick-release strap; push-button deployment clasp water-resistant to 30 meters we are an authorized tissot dealer