Stainless Steel case with Gold-tone stainless steel bracelet. Stainless steel bezel with Analog Blue, matte dial. Quartz movement with Mineral crystal and Push/pull crown. Screw-down case back. 50 mm Case Diameter. 17 mm Case Thickness with 8 inches band length and 23 mm band width. Fold- over clasp with safety lock Clasp. Water Resistant: 10 ATM/100 meters/330 feet Function: Chronograph, Hour, Minute, Second Akribos XXIV Blue Mens Watch AK656YG