Invicta Women's 0536 Subaqua Noma IV Collection Chronograph 18k Gold-Plated Stainless Steel and White Polyurethane Watch Precise Swiss-quartz movement Durable flame-fusion crystal; brushed and polished 18k gold-plated stainless steel case; white polyurethane strap with 18k gold-plated stainless steel inserts Chronograph functions with 60 second, 30 minute and 1/10th of a second subdials; date function White mother of pearl dial with gold-tone hands and dome shaped hour markers; luminous; unidirectional 18k gold-plated stainless steel bezel, screw-down crown with protective clasp and screw-down pushers; tachymeter on inner bezel Water-resistant to 1,640 feet (500 M)