Omega brand

Haima Series

Automatic mechanical movement type

8520 movement model

37.5 mm dial diameter

Stainless steel case material

Basic Information ID: 232.30.38.20.04.001 Brand: Omega Series: Seamaster 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: 37.5mm Case Thickness: Not available Dial Color: White Dial Shape: Round Strap Color: Silver Clasp Type: Folding Clasp Case Back: Transparent Weight: 161 grams Water Resistance: 600 meters Hour Marker Type: Bat Hour Markers Arabic Numerals Clasp Spacing: Not available Lug Spacing: 18 Millimeter-long case material: Stainless steel; dial material: Not available; bezel material: Unidirectional rotating bezel; crystal material: Domed, double-sided anti-reflective, scratch-resistant sapphire crystal; crown material: Stainless steel, screw-down crown; strap material: Stainless steel; buckle material: Stainless steel; functions: date display.