Omega Seamaster 231.58.30.20.55.002 Automatic machinery, 18k gold, 30mm

Description

Basic Information ID: 231.58.30.20.55.002 Brand: Omega Series: Seamaster Movement Type: Automatic Gender: Women’s Movement Model: 8521 Movement Type: Automatic Manufacturer: Omega Movement Diameter: 20mm Movement Thickness: 5.3mm Balance Wheel: Free-sprung Balance Spring Frequency: 25200 rpm Oscillations per Hour: Silicon SI 14 Free-sprung balance, 28 jewels, 50-hour power reserve, Swiss Official Chronometer Testing Institute (COSC) certification. Case diameter: 30mm, Case thickness: 7mm, Dial color: Silver-white, Dial shape: Round, Strap color: White, Clasp type: Folding clasp, Case back: Transparent, Weight: Not available, Water resistance: 150 meters, Hour markers: Diamond-set, Clasp spacing: Not available, Lug spacing: 14mm. Materials: Case material: 18k gold, Dial material: Mother-of-pearl, diamond-set, Bezel material: 18k gold, diamond-set, Crystal material: Domed, double-sided anti-reflective, scratch-resistant sapphire crystal, Crown material: Screw-down crown, Strap material: Leather, Clasp material: 18k gold. Functions: Date display.