Breitling Watch 310 - WITH SERIAL NUMBERS - Blue Dial - Battery Operated Caliber 77 Quartz Movement - Date Feature - Certificate of Authenticity - Scratch Resistant Glareproof Sapphire Crystal - Steel Case & Fighter Bracelet - Manufacturer Box & Manual - 500 Meters / 1650 Feet Water Resistant - Uni-Directional Rotating Bezel - Luminiscent Hands & Markers - 33.80mm = 1 1/4" Case, 6" Adjustable Bracelet - Deployment Buckle - Screw Down Crown & Caseback - Case Thickness: 12.60mm