Lucien Piccard Men's 'Nebula' Stainless Steel and Leather Automatic Watch, Color Black (Model: LP-15156-01) Precise 21 Jewels Japanese Automatic Movement; Blue 24 Hour and Skeletonized 60 Second Sub dials Black Dial with Silver Tone and White Hands, Silver Tone Hour Markers and Arabic Numerals; Luminous; Sapphitek Crystal; Exhibition Case Back; Stainless Steel Case; Black Leather Strap Automatic-self-wind Movement Case Diameter: 47mm Water Resistant To 50m (165ft:in General, Suitable for Short Periods Of Recreational Swimming, but not Diving or Snorkeling