Invicta Men's 6537 Subaqua Noma IV Chronograph Black Perforated Dial Two Tone Stainless Steel Watch Swiss quartz movement Flame-fusion crystal; brushed and polished stainless steel case and bracelet with black ion-plated stainless steel center links Chronograph functions with 60 second, 30 minute and 1/10th second subdials; day, date and month function Black perforated dial with silver tone hands and hour markers; luminous; black ion-plated stainless steel unidirectional bezel; black ion-plated pushers and screw-down crown with protective cap Water-resistant to 500 M (1640 feet)