The Tissot T121.420.44.051.00 Touch smartwatch combines a round shaped anti-magnetic titanium case and bracelet with a double push button clasp. It has a black dial which is protected beneath scratch resistant tactile sapphire crystal glass. Power is generated by the solar powered movement which has a power reserve of up to 6 months. This model also has a water resistance of up to 100 metres (330ft/10 bar of pressure) and weighs 140 grams.