Breitlings b06 is the perfect chronograph for men who know where they are going and how to get there its ingenious 30 second chronograph system based on a central hand sweeping around the dial in half a minute thereby ensuring extremely accurate 1 8th second time readingsmovement manufacture breitling calibre b06 officially chronometer certified by the cosc selfwinding high frequency 28 800 vibrations per hour 47 jewels over 70 hour power reserve 18th of a second chronograph 30 sec