Lucien Piccard Men's 'Acropolis' Stainless Steel and Leather Automatic Watch, Color:Black (Model: LP-40021A-01) Precise 35 Jewels Japanese Automatic Movement; 12 Hour, Day of the Week, Date and Month Sub dials; Silver Tone Skeletonized Window at 6:00 Black Dial with Silver Tone Hands ands Roman Numerals; Crown with Blue Cabochon; Sapphitek Crystal; Exhibition Case Back; Stainless Steel Case; Black Leather Strap Automatic-self-wind Movement Case Diameter: 45mm Water Resistant To 30m (100ft): In General, Withstands Splashes or Brief Immersion In Water, but not Suitable for Swimming or Bathing