Citizen Women's EW2096-57D The Signature Collection Eco-Drive Octavia Diamond Watch Eco-drive is fueled by light, any light, so it never needs a battery. 57 diamonds - total ctw .55 Mother-of-pearl dial Dual-coated anti-reflective sapphire glass crystal. Date Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving