Magnifying Lens Only on the Front Window. Top head measurements: 16" x 12.5" x 17 / 40cm x 32cm x 42cm.All the measurements are approximate. The item "X-Mas Morse Us Navy Mark V Diving Divers Helmet Solid Steel Full Size 18 Inc" is in sale since Saturday, July 14, 2018. This item is in the category "Antiques\Maritime\Diving Helmets". The seller is "medievalmanufacturer9" and is located in MANGLAUR, UTTARAKHAND. This item can be shipped worldwide.