Omega Speedmaster 331.20.42.51.02.001 Automatic machinery, precision steel, 41.5mm

Description

Basic Information ID: 331.20.42.51.02.001 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: Silver Dial Shape: Round Strap Color: Two-tone Clasp Type: Folding Clasp Case Back: Transparent Weight: Not Available Water Resistance: 100 meters Hour Marker Type: Bat Markers Clasp Spacing: Not Available Lug Spacing: 20 mm Materials: Case Material: Stainless Steel Dial Material: Not Available Bezel Material: 18k Gold Crystal Material: Scratch-resistant Sapphire Crystal with Anti-reflective Treatment Crown Material: Not Available Strap Material: Stainless Steel-18k Gold; Two-tone Clasp Material: Red Gold/Stainless Steel Functions: Date Display, Chronograph