Citizen Men's BL5400-52E Eco-Drive Stainless Steel Sport Watch 1/20 second chronograph - measures up to 60 Minutes Screw-back case; case diameter: 48mm 12/24 hour time; dual time; alarm Rotating inner dial ring; all stainless steel Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving