Breitling Watch 254 - WITH SERIAL NUMBERS - Black Dial - Self Winding Caliber 13 Automatic Movement - 28,800 v.p.h, 25 Jewels, 42 Hour Power Reserve - 1/5th Second, 30 Minute, 12 Hour Chronograph - Certificate of Authenticity - Scratch Resistant Glareproof Sapphire Crystal - Titanium Case & Professional Bracelet - Manufacturer Box & Manual - 300 Meters / 1000 Feet Water Resistant - Uni-Directional Rotating Bezel - Luminiscent Hands & Markers - 44mm = 1 5/8" Case, 7" Adjustable Bracelet - Deployment Buckle - Screw Down Crown & Caseback- Case Thickness: 17.60mm