Designed to provide complete safety when diving to great depths the iwc aquatimer automatic watch is equipped with the innovative externalinternal rotating bezel with the safedive system and is water resistant to 300 metres this model has a black dial with luminescent green super luminova coated dive related displays housed in a stainless steel case on a black rubber strap with its 42mm case the aquatimer automatic is the smallest model in the iwc divers watch family