This watch is also known as:
687 , 687 , A1336212-C649 .
Engine: Breitling Cal 13B (28,800 vph, 25 jewels). Functions: Hours, Minutes, Small Seconds (at 9 o'clock), Chronograph, Variable Tachometer. Crystal: Sapphire Crystal - Cambered (domed), with glareproofing on both sides. Water Resistance: 100m / 330ft. Calendar: Automatic full display day and date at 3 o'clock. Additional Info: The variable tachometer operates by rotating the external bezel that drives a pinion and arbor, that in turn activates the inner bezel. This extremely useful mechanism provides precise read-offs of measured speeds. The GT in the title of this watch refers to the Grand Tourer, the powerful Bentley GT sports car with 650Nm of torque and a heart-stopping 197mph (318kph) top speed. This watch too, carries with it a spirit of ultimate reliability and breathtaking performance. More compact than the other Breitling for Bentley models, the Breitling Bentley GT's design is reminiscent of the Bentley dashboard dial design with its knurled finishes.