Invicta Men's 1390 Subaqua Noma IV Chronograph Grey Dial Grey Silicone Watch Swiss quartz movement Brushed and polished stainless steel case; red silicone strap with stainless steel accents Chronograph function with 60 second, 30 minute and 1/10th of a second subdials; date function Grey perforated dial with silver tone, white and grey hands, white and grey hour markers; luminous; unidirectional stainless steel bezel; tachymeter scale on inner bezel; screw-down pushers and crown with protective clasp Water-resistant to 500 m (1640 feet)