Oceanus Men's OCW600TDA-1AV Atomic Titanium Watch Mutli-band atomic timekeeping, Tough Solar Power,100M Water resistant 1/20 Sec Chronograph, World Time (27 Cities) Daily alarm, Sapphire crystal, Power Saving Function 5 Motors, Auto Calendar, Rechargeable Battery Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving