Nixon Men's A1191781-00 Time Teller P Analog Display Japanese Quartz Blue Watch Miyota Japanese quartz 3 hand 40 mm, 100 meter / 10 ATM, custom stainless steel core encased in custom injection molded polycarbonate Japanese-quartz Movement Case Diameter: 40mm Water Resistant To 100m (330ft): In General, Suitable for Swimming and Snorkeling, but not Diving