Omega Seamaster 231.50.30.20.55.002 Automatic machinery, 18k gold, 30mm

Description

Omega brand

Haima Series

Automatic mechanical movement type

8521 movement model

30mm dial

18k gold watch case material

Basic Information ID: 231.50.30.20.55.002 Brand: Omega Series: Seamaster Movement Type: Automatic Mechanical Gender: Women’s Movement Model: 8521 Movement Type: Automatic Mechanical Manufacturer: Omega Movement Diameter: 20 mm Movement Thickness: 5.3 mm Balance Wheel: Free-sprung Balance Spring Frequency: 25,200 rpm Hair Spring: Silicon SI 14 Free-sprung balance, 28 jewels, 50-hour power reserve, Swiss Official Chronometer Testing Institute (COSC) certification. Case diameter: 30mm; Case thickness: Not available; Dial color: White; Dial shape: Round; Strap color: Gold; 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; Bezel material: 18k gold; Crystal material: Domed, double-sided anti-reflective, scratch-resistant sapphire crystal; Crown material: Screw-down crown; Strap material: 18k gold; Clasp material: 18k gold; Functions: Date display.