Invicta Women's 10155 Subaqua Noma IV Chronograph Black Dial Black and Purple Silicone Watch Swiss quartz movement Flame-fusion crystal; stainless steel case; black silicone strap with purple accents Chronograph functions with 60 second purple subdial, 30 minute and 1/10th of a second black subdials with purple hands; date function Black carbon fiber dial with purple hands and hour markers; luminous; unidirectional black ion-plated stainless steel outer bezel; tachymeter scale on inner bezel; black screw-down pushers and crown with protective clasp Water-resistant to 500 M (1664 feet)