Tissot T-Classic Collection Swiss Automatic Watch With A Grey Stainless Steel Bracelet Strap, 40mm Green Coloured Dial & Date Window. The Tissot Gentleman is the perfect everyday stylish accessory. This classical and elegant watch comes with a case diameter of 40 mm, and fits perfectly with any kind of style. This model is equipped with a Swiss Made Powermatic 80 movement with a scratch-resistant and anti-reflective sapphire glass and a 316L stainless steel case. POWERMATIC 80 An automatic watch is powered by the energy of the person who wears it. Wrist movement enables the mechanism to run. The Powermatic 80 movement boasts 80 hours of power reserve, which is enough to continue telling time accurately even if the watch is not worn for three days. It is an innovative movement that outperforms the competition, whose movements general provide 1.5 days of power reserve. SAPPHIRE GLASS A sapphire crystal gives a watch the following properties: extremely high resistance to impact and superior screen and hand readability thanks to its transparency. Because it is the strongest material after diamonds, it is used in fine timepieces for its anti-scratch prowess. Sapphire crystals can take many forms and give the watch a variety of looks: flat, domed, concave or ground. WATER RESISTANCE All Tissot watch cases undergo several tests, including a water resistance check. Tissot tests the watch's ability to resist impacts and pressure, as well as the penetration of liquids, gas and dust by replicating the real-life conditions in which the watch may find itself. Diameter : 25,6mm Weight: 164g Lugs: 21.00mm Case options: See-through caseback Buckle: butterfly clasp with push-buttons