Speedmaster Moonwatch Professional 310.30.42.50.04.001

MOVEMENT

• Calibre: Omega 3861
• Manual-winding chronograph movement with Co-Axial escapement. Certified Master Chronometer, approved by METAS, resistant to magnetic fields reaching 15,000 gauss. Free-sprung balance with silicon balance spring. Rhodium-plated finish, bridges with straight Geneva waves.
• Power reserve: 50 hours

CRYSTAL

• Domed, scratch-resistant sapphire crystal with antireflective treatment inside

WATER RESISTANCE

• 5 bar (50 metres / 167 feet)

WATCH CASE & DIAL

• Case: Steel
• Case Diameter: 42 mm
• Between lugs: 20 mm
• Dial Colour: White

BRACELET

• Material: Steel

FEATURES

• Anti-magnetic, chronograph, chronometer, master chronometer certified, small seconds, tachymeter, transparent caseback