The jbw reserve jet setter gmt amethyst men's watch combines luxury and functionality with its striking design, featuring 23 black diamonds and hundreds of princess and round-cut purple crystals on the bezel, dial, and bracelet. 39mm black ion-plated stainless steel case; mineral crystal black dial with black diamonds (1/8 carat total diamond weight) mineral crystal swiss quartz movement black ion-plated stainless steel bracelet; fold-over push button deployment clasp water-resistant to 50 meters