Invicta Men's 'Reserve' Swiss Quartz Stainless Steel and Silicone Casual Watch, Color:Black (Model: 21639) 500m; chronograph functions with 60 second, 30 minute & day of the week see-thru sub dials; date window between 4:00 & 5:00; unidirectional black ip bezel; crown & pushers w/black ip protective clasps Black dial w/silver tone and white hands & white arabic numerals; luminous; exhibition case back; flame fusion crystal; stainless steel case; black silicone strap with stainless steel accents Swiss-quartz Movement Case Diameter: 52mm Water resistant to 50m (165ft:in general, suitable for short periods of recreational swimming, but not diving or snorkeling