Gucci Women's Swiss Quartz Stainless Steel Casual Watch, Color:Silver-Toned (Model: YA015516) Precise Swiss-Quartz movement Scratch-resistant-sapphire crystal Case diameter: 12 mm Stainless-steel case; Black dial; Jaeger-LeCoultre functions Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving