Omega Speedmaster 331.50.42.51.08.001 Automatic mechanical parts, 18K yellow gold, 41.5mm

Description

Basic Information ID: 331.50.42.51.08.001 Brand: Omega Series: Speedmaster Movement Type: Automatic Gender: Men’s Alias: “Rory McIlroy” Special Edition Watch Movement: Movement Model: 9301 Movement Type: Automatic Manufacturer: Omega Balance Wheel: Free-sprung Balance Spring Frequency: 28,800 rpm Oscillations per Hour: Hair Spring: Silicon SI14 Free-sprung Jewels: 54 Power Reserve: 60 hours Technical Certifications: Swiss Official Chronometer Testing Institute (COSC) Appearance: Case Diameter: 41.5 mm Case Thickness: Not Available Dial Color: Champagne Dial Shape: Round Strap Color: Gold Clasp Type: Folding Clasp Case Back: Transparent Weight: Not Available Water Resistance: 100 meters Hour Marker Type: Bat Hour Markers Clasp Spacing: Not Available Lug Spacing: 20 mm The case is made of 18K yellow gold, and the dial is sunburst-finished with a black outer edge and gold-plated minute track. The bezel features a tachymeter scale. The crystal is scratch-resistant sapphire crystal with anti-reflective coating. The crown is not currently available. The strap is made of 18K yellow gold, and the buckle is also made of 18K yellow gold. Functions include a date display and chronograph.