U. S Navy Vintage Dive Helmet Mark V Antique Diving Divers Marriage GIFT Helmet Mar 29, 2018 navy YOU ASK WE ANSWER MAKE OFFER for BULk. Material: SOLID STEEL Finish: As Shown in Pics. Top head measurements: 16″ x 12.5″ x 17 / 40cm x 32cm x 42cm. 18 FULL SIZE DELUXE MODEL REPLICA. Look...