Glam Rock Women's 'Miami Beach' Swiss Quartz Plastic and Silicone Casual Watch, Color:Black (Model: GR64002-SLVM) Swiss Quartz movement Mineral crystal with sapphire coating; Black composite material case with stainless steel cover; Black silicone strap Date function Silver textured dial with black hands and silver tone markers; Luminous; Black composite material bezel; Stainless steel crown with black cabochon Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving