The Shark Classic tide watch from Freestyle is just that - a classic. It features an alarm, chronograph and heat timer, a stopwatch with split function, and an LCD backlight. Band and case are made from silicone. Features 10 years of tide data plus sunrise and sunset times for 150 beaches worldwide, or program the watch to your beach. Depth rated for 330ft/100m.Because it's a Freestyle, it has a mineral gloss lens to prevent scratches and a limited lifetime manufacturers warranty.