Omega brand

Superb series

Manual mechanical movement type

Cal. 1866 movement model

42mm dial

Stainless steel case material

Basic Information Number 3575.20 Brand Omega Series Speedmaster Movement Type Manual Mechanical Gender Men’s Movement Movement Model Cal. 1866 Movement Type Manual Mechanical Manufacturer Omega Movement Diameter 27mm Movement Thickness 6.87mm Frequency 21,600 vibrations per hour Number of Jewels 17 Power Reserve 45 hours Appearance Case Diameter: 42mm Case Thickness: Not available Dial Color: Silver Dial Shape: Round Strap Color: Silver Clasp Type: Folding Clasp Case Back: Not available Weight: Not available Water Resistance: 30 meters Hour Marker Type: Not available Clasp Spacing: Not available Lug Spacing: Not available Materials Case Material Stainless Steel Dial Material Not available Bezel Material Not available Crystal Material Sapphire Crystal Glass Crown Material Stainless Steel Strap Material Stainless Steel Clasp Material Stainless Steel Functions Moon Phase Chronograph Thanks to enthusiastic netizens Yunwei and Zheng0310 for correcting the parameters of this product.