- With Manufacturer Serial Numbers - Swiss Made - Black Dial - Dot Hour Markers - Black Cerachrom Insert Ceramic Bezel 24 Hour Engraved Numerals and Graduations on Bezel - Date Feature Date Window Displayed at 3 O'Clock Cyclops Lens Over Date Instantaneous Date Setting Feature - GMT Second Time Zone Feature Independent Rapid-setting of the Hour Hand - Stop-seconds Feature for Precise Time Setting - 48 Hour Power Reserve -Self-winding Automatic Movement COSC Superlative Chronometer Certified - Rolex Caliber 3186 - Vibrations Per Hour: 28,800 - Jewels: 31 - 6 Year Warranty - Guaranteed Authentic - Certificate of Authenticity - Manufacturer Box & Manual - Polished Solid 18k Yellow Gold with Brushed 904L Oystersteel Stainless Steel Case - Polished Solid 18k Yellow Gold with Brushed 904L Oystersteel Stainless Steel Oyster Bracelet - Scratch Resistant Sapphire Crystal -100 Meters / 330 Feet Waterproof - 40mm = 1 1/2" Case - Will Fit Up to 7.5" Wrist - Case Thickness: 12mm - Bidirectional Rotating 24-Hour Graduated Bezel - Yellow Gold-plated Luminescent Hands & Hour Markers - Screw Down Crown & Case Back - Oystersteel Folding Oysterlock Safety Clasp with Easylink 5mm Comfort Extension Link