Omega Constellation Double Eagle Automatic Chronograph Men's Watch Stainless Steel Black Dial on Black Rubber Strap 1819.51.91

Omega Constellation Double Eagle Automatic Chronograph Men's Watch Stainless Steel Black Dial on Black Rubber Strap 1819.51.91 Model #: 1819.51.91, Gender/Size: Mens, Case: Brushed stainless steel, Case Back: Transparent, Bracelet/Strap: Black rubber, Bezel: Black aluminum engraved with Roman numerals, Dial Color: Black, Subdial Color: Silver, Subdial Use: Chronograph functions, Hand Indicators: Silver luminous, Hour Markers: Silver luminous, Crystal: Anti-reflective scratch resistant sapphire , Movement: Automatic chronograph Co-Axial escapement chronometer , Power Reserve: 55 hours, Date Calendar: At the 6 o'clock, Case Width: 41 mm, Case Thickness: 14.5 mm, Clasp Type: Push button foldover, Water Resistant: To 100 meters, Model # Alias: 18195191,