The breitling gents navitimer 01 46mm chronograph watch an icon on top form a transparent caseback provides a chance to admire the officially chronometer certified high performance selfwinding chronograph movement manufacture breitling caliber 01movement selfwinding mechanicalpower reserve min 70 hrs chronograph 14th second 30 minutes 12 hours case case steel steel and gold 18ct red gold diameter 4600 mm strap leatherbezel rotating bezel with circular slide rule water resist