Breitling introduced its proprietary case material, Breitlight, on the Avenger Hurricane watch in 2016, and has used the high-tech alloy in several other models since. Now the brand brings Breitlight to its automotive-influenced Breitling for Bentley family ? on a watch that pays tribute to the British marque’s new Continental GT automobile: the Bentley GT “Dark Sapphire” Edition.

The watch, which is limited to 500 pieces, made its debut at the 2017 Frankfurt Motor Show, alongside the vehicle that inspired it, Bentley’s third-generation Continental Grand Touring model, with a new six-liter W12 TSI engine, state-of-the-art onboard equipment, and a refined, hand-crafted interior. Like all Breitling for Bentley watches ? the fruits of a decade-plus partnership between the Swiss watch brand and the luxury carmaker ? it bears design influences drawn from Bentley cars. The 48-mm-diameter case is constructed of Breitlight ? a high-tech material that Breitling says is four times lighter than titanium but significantly harder. Among its other listed attributes are exceptional resistance to scratches, traction, and corrosion; thermal stability; and antimagnetic and non-allergenic properties, in addition to being warmer to the touch than other metals and, aesthetically, having a black-streaked surface texture, which here takes on an intriguing bluish shimmer reminiscent of the car’s “dark sapphire” livery.

Continuing the specific Bentley-inf...