Speedmaster Chronograph 39.7 mm 311.30.40.30.01.001

MOVEMENT

• Calibre: Omega 321
• Famous manual-winding chronograph movement with column wheel mechanism, Breguet balance-spring and 18K SednaTM gold PVD coated finish. The calibre that was worn on the Moon.
• Power reserve: 55 hours

CRYSTAL

• Scratch-resistant sapphire crystal with anti-reflective treatment inside

WATER RESISTANCE

• 5 bar (50 metres / 167 feet)

WATCH CASE & DIAL

• Case: Steel
• Case Diameter: 39.7 mm
• Between lugs: 19 mm
• Dial Colour: Black
• Total product weight (Approx.): 128 g

BRACELET

• Material: Steel

FEATURES

• Chronograph, small seconds, tachymeter, transparent caseback