Seiko Men's SNA749 Sportura Formula One Honda Racing Watch Quality Japanese-Quartz movement Chronograph measures up to 60 minutes in 1/5 second increments, after 60 it will start counting from "0" repeatedly up to 12 hours Titanium Carbon Nitride plated bezel; Lumibrite hands and hour marker Screwdown crown and caseback Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving