REACTOR Men's 95521 Fusion Black Mother of Pearl Crocodile Leather Strap Watch Quality Japanese-quartz movement Extra-thick Mineral crystal for superior shatter-resistance and scratch-resistance Built for performance--solid 316L stainless-steel, solid screw bar case-to-band attachment, and solid forged case-backs Screw-down crown; luminous painted hands and markers Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving