Omega Constellation 123.20.31.20.08.001 Automatic machinery, precision steel, 31mm (discontinued)

Description

Basic Information ID: 123.20.31.20.08.001 Brand: Omega Series: Constellation Movement Type: Automatic Mechanical Gender: Ladies’ Movement: Movement Model: 8520 Movement Type: Automatic Mechanical Manufacturer: Omega Movement Diameter: 20mm Movement Thickness: 5.3mm Balance Wheel: Free-sprung Balance Spring Frequency: 25,200 vibrations per hour Hair Spring: Si 14 silicon Hair Spring Jewels: 28 Power Reserve: 50 hours Technical Certifications: Swiss Official Chronometer Testing Institute (COSC) Appearance: Case Diameter: 31mm Case Thickness: Not Available Dial Color: Champagne 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 Hour Markers Clasp Spacing: Not Available Lug Spacing: 19 Millimeter-long case material: Stainless steel; Dial material: Not available; Bezel material: 18k gold; Crystal material: Domed, double-sided anti-reflective, scratch-resistant sapphire crystal; Crown material: 18k gold; Strap material: 18k gold/stainless steel; Two-tone buckle material: Stainless steel; Functions: Date display