GV2 by Gevril Polpo Mens Chronograph Swiss Quartz Black Stainless Steel Bracelet Watch, (Model: 1404B) Ronda 3540 Swiss quartz movement; chronograph, tachymeter, date and seconds sub-dial; limited edition Ion-plated black stainless steel case with unidirectional bezel; luminous hands and hour markers Swiss-quartz Movement Case Diameter: 48mm Water Resistant To 330 Feet