Rip Curl Men's 'K55 Tidemaster-Midnight' Quartz Stainless Steel Sport Watch, Color:Black (Model: A1098-MID) Quartz movement with 9 jewels 316l high grade stainless steel case that does not rust and is non-corrosive when exposed to a marine environment 5 year limited warranty Durable mineral crystal that is scratch resistant and protects from all types of impact Water resistant to 660 feet (200 M): suitable for recreational scuba diving