Brand Name Tissot Model number T17.1.486.55 Part Number T17.1.486.55 Item Shape Round Clasp Tang Buckle Case material Stainless Steel Case diameter 4.00 Case Thickness 1.25 Band Material Stainless Steel Band Color Silver Dial color Black Bezel material Stainless Steel Bezel function Unidirectional Special features Chronograph Movement Swiss Quartz Display Type Chronograph