Stainless steel case, Stainless steel strap, Black dial, Scratch resistant Sapphire, Water resistant up to 15 ATM - 150 meters - 500 feetOmega Men's Sea master Black Dial Watch - O22010412101002Specification: Model no.: O22010412101002 Brand: Omega Gender: Men Dial Color: Black Band Color: Silver Case Diameter: 41mm Bracelet or Strap Width: 20mm Band Material: Stainless Steel Crystal Type: Sapphire Crown Type: Push/pull Clasp Type: Fold over Movement: Automatic Country of Origin: Switzerland