Aluminum brass steel Finish: As Shown in Pictures. Top head measurements: 16" x 12.5" x 17 / 40 cm x 32 cm x 42 cm. 18 FULL SIZE DELUXE MODEL REPLICA. The item "Brass Divers Diving Helmet U. S Navy Vintage Style Full Size Antique Nautical" is in sale since Tuesday, November 12, 2019.This item is in the category "Antiques\Maritime\Diving Helmets". The seller is "thecaneshop5_6" and is located in Jamaica, New York. This item can be shipped worldwide.