Omega Stainless steel case Collection: Speedmaster Gender: Men Dial: Black Movement: Automatic Clasp: Fold Over Strap or Bracelet: bracelet BandColor: Silver CaseShape: Round Measurement: 38mm Bracelet Measurement: 18mm Bracelet Length (in inches): 7 Crystal: Sapphire Crown: Push/pull Country of Origin: Switzerland WaterResistance: 10 ATM - 100 meters - 330 feet Specifications: Chronograph, Date display, Tachymeter bezel