TechnoMarine Men's TMYMBK23 MoonSun Ceramic Magnum Chrono Black Leather Watch Precise Swiss-quartz movement Swiss ETA G10.711 movement Stainless steel 316L bezel; mineral crystal Rubberized leather strap with accent stitching; stainless steel 316L single buckle clasp Water resistant to 660 feet (200 M): suitable for recreational scuba diving