Android Men's 'Bald Eagle Tourbillon' Automatic Stainless Steel Dress Watch, Color:Silver-Toned (Model: AD811AS) Movement: hz3310 mechanical tourbillon, 19 jewels Case measurement: 48mm Automatic-self-wind Movement Case Diameter: 48mm Water resistant to 990 feet (300 M):suitable for scuba diving to a depth of 30 meters for up to 2 hours