Water Lovers Take Note! The Ideal Companion For Anyone Into Marine Sports. These Watches Start With A DurableExterior Design, 100-Meter Water Resistance, And 10-Year Battery Life. Then Add On-Board Tide Graph, Moon Data,And Led Light Ensuring An Easy Read Even In The Dark, To Deliver Everything A Water Sports Enthusiast Needs,Right At Your Fingertips. With Stopwatch, Timer, And Alarm, These Versatile Timepieces Take You Seamlessly FromHome Or Office To The Pool Or Ocean.