Omega Speedmaster 311.63.44.51.06.001 The automatic machinery is made of black ceramic with a frosted finish, 44.25mm thick.

Description

Basic Information ID: 311.63.44.51.06.001 Brand: Omega Speedmaster Movement Type: Automatic Gender: Men’s Alias: Black Gold Movement Movement Model: 9300 Movement Type: Automatic Manufacturer: Omega Balance Wheel: Free-sprung Balance Spring Frequency: 28,800 rpm Hair Spring: Silicon Hair Spring Power Reserve: 60 hours Technical Certifications: Swiss Official Chronometer Testing Institute (COSC) Appearance: Case Diameter: 44.25 mm Case Thickness: Not Available Dial Color: Black Dial Shape: Round Strap Color: Black Clasp Type: Folding Clasp Case Back: Transparent Weight: Not Available Water Resistance: 50 meters Hour Marker Type: Bat Hour Markers Clasp Spacing: Not Available Lug Spacing: 21 mm Material: Case material: All-over brushed black ceramic Dial material: Hands and markers made of 18K Sedna® gold. The matte gray dial features laser-etched logos, a ceramic bezel paired with an 18K Sedna gold bezel, a scratch-resistant sapphire crystal with anti-reflective coating, a ceramic crown, a leather strap, a ceramic buckle, and functions including a date display and chronograph.