Omega brand

Deco series

Automatic mechanical movement type

8520 movement model

34 mm diameter

Stainless steel case material

Basic Information ID: 425.35.34.20.57.004 Brand: Omega Series: Disc-shaped 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 hairspring Jewels: 28 Power Reserve: 50 hours Technical Certifications: Swiss Official Chronometer Testing Institute (COSC) Appearance: Case Diameter: 34mm Case Thickness: 12.0mm Dial Color: Black Dial Shape: Round Strap Color: Silver Clasp Type: Butterfly Clasp Case Back: Transparent Weight: 106 grams Water Resistance: 100 meters Hour Marker Type: Diamond-set Hour Markers Clasp Spacing: Not available Lug Spacing: 16 Millimeter-long case material: Stainless steel; Dial material: Mother-of-pearl; Bezel material: Stainless steel with diamond setting; Crystal material: Domed double-sided anti-reflective, scratch-resistant sapphire crystal; Crown material: Stainless steel, screw-down crown; Strap material: Stainless steel; Clasp material: Stainless steel; Functions: Date display