Glam Rock Men's 'Racetrack' Swiss Quartz Stainless Steel and Silicone Casual Watch, Color:Black (Model: GR90112) Precise Swiss-quartz movement Scratch-resistant sapphire crystal; black ion-plated stainless steel case with black silicone cover; black silicone strap Chronograph functions with 60 second, 30 minute and 12 hour subdials; date function Black dial with yellow hands and hour markers; luminous; yellow tachymeter scale on bezel; screw-down crown Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving