Honoring bulova’s storied history with the armed forces and based on a rare prototype from 1957 developed for the u. S. Navy, the special edition mil-ships bronze celebrates bulova’s 150th anniversary and its legacy of innovation and fine craftsmanship. 41mm sandblast-finished case made of cusn8 bronze, a lustrous material with a rose-gold hue reminiscent of 19th-century copper diving helmets army green dial with a matching aluminum bidirectional bezel insert, a vintage-inspired handset with super luminous hands and markers, and a bi-color moisture strip indicator strip double-domed sapphire crystal with a five-layer anti-reflective coating 21-jewel automatic movement with a 42-hour reserve army green rubber and cordura® nylon strap commemorative 150th anniversary embossed case back water-resistant to 200 meters delivered in premium packaging with a storybook