Invicta Men's 5552 Akula Collection Chronograph Watch Precise and high-quality Swiss-quartz movement Sapphire crystal; 18k rose gold plated stainless steel and black ion plated case; brown patterned leather strap Chronograph functions with 60 second, 30 minute and 1/10 of a second sub dials; date function Brown sunray dial, luminous hands and hour markers Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving