Description
Basic Information ID: 123.25.27.20.57.006 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: 27mm Case Thickness: 12.3mm Dial Color: Black Dial Shape: Round Strap Color: Two-tone Clasp Type: Butterfly Clasp Case Back: Solid Case Back Weight: 99g Water Resistance: 100 meters Hour Marker Type: Diamond Hour Markers Clasp Spacing: Not Available Lug Spacing: 18 Millimeter-long case material: Stainless steel; Dial material: Mother-of-pearl with diamonds; Bezel material: 18K red gold with diamonds; Crystal material: Domed, double-sided anti-reflective, scratch-resistant sapphire crystal; Crown material: 18K red gold; Strap material: 18K red gold and stainless steel; Buckle material: Not currently available; Date display.








