5mm aluminum case is lightweight yet durable

This model can measure distance using an accelerometer while linked with the GPS function of a smartphone via Bluetooth

With 50 metres water resistance and a slim

Additional noteworthy watch features include Moon Phase and Tide Graphs tracking

The water-resistant design ensures protection against splashes

Ray-Ban Kai Bio-Based RB3757 Gunmetal Violet Oval Sunglasses Feature_Crystals 5mm aluminum case is lightweightRay Ban Kai Bio Based RB3757 004 69 brings a sleek, modern edge to the Kai silhouette with a polished gunmetal metal frame and dark violet lenses. The slim oval shape gives this style a confident fashion led feel, making it a strong choice for city outfits, travel days, festivals and everyday styling. Why you'll love them Modern oval profile a slim and expressive shape with a clean contemporary attitude Dark violet Category 2 lenses suited to softer