Obaku Men's Quartz Stainless Steel Dress Watch, Color:Silver-Toned (Model: V170GMCBMC) Stainless Steel watch with super luminous hands & markers, day & date subdials, and mesh strap Durable hardened mineral crystal protects watch from scratches Analog-quartz Movement Case Diameter: 40mm Water resistant to 50m (165ft:in general, suitable for short periods of recreational swimming, but not diving or snorkeling