- With Manufacturer Serial Numbers - Swiss Made - Opaline Silver Dial - Roman Numeral & Index Hour Markers - Polished Stainless Steel Bezel - Date Feature     Date Window Displayed at 3 O'Clock - 48 Hour Power Reserve - Self-winding Automatic Chronometer Movement     COSC Chronometer Certified     Co-Axial Escapement - Omega Caliber 2500 - Vibrations Per Hour: 25,200 - Jewels: 27 - Guaranteed Authentic - Certificate of Authenticity - Manufacturer Box & Manual - Polished Stainless Steel Case - Polished Stainless Steel Bracelet - Scratch Resistant Sapphire Crystal with Anti-reflective Treatment - 30 Meters / 100 Feet Water-Resistant - 39.5mm = 1 1/2" Case, 7" Adjustable Bracelet - Inlet Size: 20mm - Fixed Bezel - Stainless Steel Solid Case Back- Push & Pull Crown - Stainless Steel Deployment Buckle
