Omega Constellation 123.20.27.20.57.001 Automatic machinery, precision steel, 27mm

Description

Basic Information ID: 123.20.27.20.57.001 Brand: Omega Series: Constellation Movement Type: Automatic Mechanical Gender: Ladies’ Movement: Movement Model: 8521 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: Silicon SI 14 Free-sprung Balance Spring Jewels: 28 Power Reserve: 50 hours Technical Certification: Swiss Official Chronometer Testing Institute (COSC) Appearance: Case Diameter: 27mm Case Thickness: 12.3mm Dial Color: Brown Dial Shape: Round Strap Color: Two-tone Clasp Type: Butterfly Clasp Case Back: Transparent Weight: 99g Water Resistance: 100 meters Hour Marker Type: Diamond-set Hour Markers Clasp Spacing: Not available Lug Spacing: 18 Millimeter case material: Stainless steel; Dial material: Brown mother-of-pearl dial with diamond hour markers; Bezel material: 18K red gold; Crystal material: Domed, double-sided anti-reflective, scratch-resistant sapphire crystal; Crown material: 18K red gold; Strap material: Stainless steel/18K red gold; Buckle material: Stainless steel; Functions: Date display