Issued in a 250 piece limited series the bentley gmt b04 s carbon body is distinguished by its resolutely sporty exterior the carbon case is based on cutting edge technology already used for the chassis of formula 1 racing cars but entirely novel in a watch the dial is also made of carbon with a visibly woven structure a fine tribute to bentleys motor racing feats both past and present the dual timezone manufacture breitling calibre b04 is distinguished by its unprecedented user friendli