
Like all the chronographs dedicated to Bentley, the GT version is endowed with a variable tachometer, another Breitling exclusive feature. Used in conjunction
with the chronograph, this device enables one to measure average speed, whatever the time elapsed, the distance covered or the speed reached. In much the same way as a slide rule, the variable tachometer is operated by rotating the external bezel, which drives a pinion and an arbor activating the inner bezel. This mechanical subtlety enables precise read-off of the measured speeds. The Bentley GT chronograph is available in steel, in steel with gold accents, in yellow gold, and in a limited series of 50 in white gold.

Technical details:
Movement: Breitling Caliber 13B, chronometer-certified, selfwinding, high-frequency (28,800 vph), 25 jewels.1/4 of a second chronograph, 30-minute and 12-hour totalizers. Day/date calendar.Case: steel, steel & gold, yellow gold, white gold (limited series of 50). Water-resistant to 330 feet (100m).Screw-locked crown. Rotating pinion bezel with variable tachometer (circular slide rule). Cambered sapphire crystal, glareproofed both sides. Diameter: 44.80mm.
Strap/bracelet: Barenia leather, crocodile leather, buffalo leather/SPEED bracelet.
Image:The Bentley GT chronograph with diamond works
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