Glam Rock Women's 'Miami Beach' Swiss Quartz Resin and Silicone Casual Watch, Color:Black (Model: GR23004) Precise Swiss-quartz movement Durable sapphire-coated mineral crystal; black resin case with black silcone cover and strap Date function White and black dial with luminous black hands, silver-tone hour markers and arabic numeral 12; black cabochon on crown Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving