Breitling watch transocean unitime pilot ub0510u4bc26444x featuring a satin brushed steel case this worldtime chronograph combines a manufacture breitling caliber b05 with a black and white technical look echoing breitlings grand tradition of watches for aviators the dial enables simultaneous readings of the time in all 24 timezones complete with an ultra practical crown operated setting system as well as automatic adjustment of the date to local time in both directions