Bolt pairs a clean, slim profile with repeating screw-head engravings for a distinctive, understated finish. Made from 99.9% pure copper, the open cuff develops its own patina as it is worn, giving the surface a gradually changing character. Its straightforward form works well on its own or alongside other bracelets and watches. Why you'll love it: Distinctive screw-head detailing — repeating engraved motifs give the band a recognizable look without overwhelming the design 99.9% pure copper — copper runs throughout the bracelet rather than relying on a surface plating Changes with wear — the copper gradually develops a patina, creating subtle variations in tone and finish Slim 8 mm profile — keeps the bracelet visually balanced and easy to combine with other wristwear Open cuff construction — the open-ended shape makes the bracelet straightforward to put on and remove Composition: 99.9% Pure Copper Smooth inner surface Engraved screw-head pattern Open cuff construction Copper may develop a patina through regular wear Surface can be polished when a brighter copper finish is preferred Measurement: Length: 175 mm Width: 8 mm Thickness: 2 mm