TX Men's T3B881 700 Series Sport Fly-back Chronograph Dual-Time Zone Watch Proprietary six hand movement with four independent motors driving each function Fly-back chronograph with compass and dual time feature Electronic compass with magnetic declination compensation Tachymeter, super LumiNova dial indices, textured dial Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving