Omega Seamaster 231.25.30.20.55.001 Automatic machinery, precision steel, 30mm

Description

Basic Information ID: 231.25.30.20.55.001 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 oscillations 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: 30mm Case Thickness: Not available Dial Color: Silver Dial Shape: Round Strap Color: Two-tone Clasp Type: Folding Clasp Case Back: Transparent Weight: Not available Water Resistance: 150 meters Hour Markers: Diamond-set Hour Markers Clasp Spacing: Not available Lug Spacing: Not available Materials: Case Material: Stainless Steel Dial Material: Mother-of-Pearl Bezel Material: 18k Rose Gold with Diamonds Crystal Material: Sapphire Crystal Glass Crown Material: Not available Strap Material: Stainless Steel/18k Rose Gold; Two-tone Clasp Material: Stainless Steel Functions: Date Display