Brand Name TISSOT Model number T17.2.486.55 Part Number T17.2.486.55 Item Shape Round Clasp Tang Buckle Case material Silver and Gold Case diameter 4.00 Case Thickness 1.25 Band Material Silver and Gold Band width 18 Band Color Silver Dial color Black Bezel material Steel Two Tone Bezel function Unidirectional Special features Water Resistant Movement Swiss Quartz Display Type Chronograph