Certina DS First Gente Ceramic Quartz C014.410.16.051.00 Watch. The men's quartz models combine advanced technology with an exclusive design. These 316L stainless steel watches are authentic for athletes, as well as for everyday use. They are resistant, thanks to the Certina DS Concept, with sapphire crystal and water resistance up to a pressure of 10 bar / 100 m. At Certina, reliability is more than just a word.