Omega Speedmaster 331.12.42.51.01.002 Automatic machinery, precision steel, 41.5mm

Description

Basic Information ID: 331.12.42.51.01.002 Brand: Omega Speedmaster Movement Type: Automatic Mechanical Gender: Men’s Movement Model: 9300 Movement Type: Automatic Mechanical Manufacturer: Omega Balance Wheel: Free-sprung Balance Spring Frequency: 28,800 vibrations per hour Hair Spring: Silicon Hair Spring Power Reserve: 60 hours Technical Certifications: Swiss Official Chronometer Testing Institute (COSC) Appearance: Case Diameter: 41.5 mm Case Thickness: Not Available Dial Color: Black Dial Shape: Round Strap Color: Dark Brown Clasp Type: Not Available Case Back: Transparent Weight: Not Available Water Resistance: 100 meters Hour Marker Type: Not Available Clasp Spacing: Not Available Lug Spacing: 20 mm Materials: Case Material: Stainless Steel Dial Material: Not Available Bezel Material: Not Available Crystal Material: Scratch-resistant Sapphire Crystal with Anti-reflective Treatment Crown Material: Stainless Steel Strap Material: Stainless Steel Clasp Material: Stainless Steel Functions: Date Display, Chronograph