Omega Speedmaster Moonwatch

The Omega Speedmaster has a 44.25mm steel case and band with a black chronograph dial.

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Basic Info.

  • BrandOmega
  • Ref. No.311.
  • Case materialSteel
  • Bracelet materialSteel
  • Functions Chronograph Tachymeter Chronometer Date Small seconds Transparent case back


  • MovementSelf-winding chronograph movement
  • Movement/CaliberOmega 9300
  • Power reserve 60 hours
  • Number of jewels26


  • Case materialSteel
  • Case diameter44.25 mm
  • Waterproof100 metres/ 330 feet
  • Material bezelSteel
  • GlassScratch-resistant sapphire crystal with anti-reflective treatment on both sides
  • DialBlack chronograph