Invicta Men's 6556 Subaqua Noma IV Collection Chronograph Stainless Steel Watch Precise Swiss-quartz movement Durable flame-fusion crystal; brushed and polished stainless steel case and bracelet Chronograph functions with 60 second, 30 minute and 1/10th of a second blue perforated subdials; date function Black perforated dial with blue hands and dome shaped hour markers; luminous; screw-down crown with protective cap and screw-down pushers; unidirectional bezel; tachymeter on inner bezel Water-resistant to 1,640 feet (500 M)