Timex Men's T497839J Expedition Rugged Field Chronograph Silver-Tone Black Face Watch Stainless steel case, full function 30-minute chronograph, screw-in case-back Shock-resistant to i.s.o. standards, large luminescent markers, mineral glass lens Comfortable water-resistant leather strap Indiglo night-light Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving