DIVERS HELMET Material : Solid Steel Size : 18 Inch Full Size. Top head measurements: 16" x 12.5" x 17 / 40cm x 32cm x 42cm. Weight : 8.5 kg Approx. The item "Antique Diving Divers Solid Steel Helmet Mark V U.S Navy Vintage Divers Gift" is in sale since Monday, January 21, 2019. This item is in the category "Antiques\Marine/Maritime". The seller is "adamcrafts" and is located in Haridwar. This item can be shipped worldwide.