Breitling - Professional Series B-1 - A68362 The B1 was introduced at the very end of the 1990s, succeeding the Breitling Chronospace, though the lineage of the brand's superb electronic chronographs stretches back to the Navitimer LED 9106 in the 1970s. This model boasts a perpetual calendar, GMT, and alarm functionality. Reference No: A68362 Case Material: Stainless steel Dial: Black Diameter: 43 mm Glass: Sapphire crystal Bezel: Bi-directional rotating Bracelet: Stainless steel Bracelet Length: 22 cm (Including case) Clasp: Folding Condition: Worn & Very good condition Movement: Quartz Functions: Perpetual calendar, Dual timezone, Chronograph, Alarm, and Chronograph Extras: Travel box (Aftermarket) Sent by DHL Express, FedEx, or UPS (it’s so safe and fast) *Optionally, shipping from Europe is available with an additional payment. #WatchResources