Invicta Men's 12348 Subaqua Analog Display Swiss Quartz Black Watch Swiss quartz movement Case diameter: 52 mm Chronograph functions with 30 minute, 60 second, 1/10th second and day of the week subdials; date window at 6:00 Black dial with gunmetal, green, silver tone and white hands and metallic green and white hour markers; flame-fusion crystal; luminous; unidirectional black ion-plated stainless steel bezel with green Arabic numerals; screw-down crown and pushers Water-resistant to 500 M (1640 feet)