Omega brand

Zodiac Series

Automatic mechanical movement type

8501 movement model

38mm case diameter

18K gold watch case material

Basic Information ID: 123.55.38.21.58.001 Brand: Omega Series: Constellation Movement Type: Automatic Gender: Men’s Movement Model: 8501 Movement Type: Automatic Manufacturer: Omega Movement Diameter: 29mm Movement Thickness: 5.6mm Balance Wheel: Free-sprung Balance Wheel Frequency: 25,200 vibrations per hour Hair Spring: Silicon SI14 Number of Jewels: 28 Number of Parts: 201 Power Reserve: 60 hours Technical Certifications: Swiss Official Chronometer Testing Institute (COSC) Appearance: Case Diameter: 38mm Case Thickness: 12.5mm Dial Color: Champagne Dial Shape: Round Strap Color: Gold Clasp Type: Butterfly Clasp Case Back: Transparent Weight: 213 grams Water Resistance: 100 meters Hour Marker Type: Diamond Hour Markers Clasp Spacing: Not available Lug Spacing: 25 18K gold case, diamond-set hour markers, 18K gold bezel, domed, anti-reflective, scratch-resistant sapphire crystal, 18K gold crown, 18K gold bracelet, 18K gold buckle. Functions include date display.