Tissot T-Classic Black Dial Men 42mm Tissot Seastar 1000 making this watch even more

making this watch even more appropriate for water sports activities

Crown pulled out to time-setting position

Voyez grand avec la montre Tissot Chrono XL

concave or ground

a screw-down crown and water resistance up to 30 bar (300m / 1000ft))

Tissot T-Classic Black Dial Men 42mm Tissot Seastar 1000 making this watch even moreA 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.