Limited edition of2000 piecesr the transocean chronograph gmt combines an ultra practical dual timezone system with a refined and understated design it is distinguished by its guilloche silver or black dial adorned by applied hour markers and finely hollowed counters the transparent sapphire crystal provides a chance to admire the architecture of officially chronometer certified manufacture breitling caliber b04 timeless elegance peerless performance unequalled user friendliness exactly