Base Metal case with Base metal, gun bracelet. Base Metal bezel with Analog Gun. Quartz movement with Mineral crystal and Push/pull crown. Screw-down case back. 44 mm Case Diameter. 12 mm Case Thickness with 8.5 inches band length and 23 mm band width. Fold-over Clasp with Double push button Clasp. Water Resistant: 1 ATM/10 meters/33 feet Function: Chronograph, Hour, Minute, Second August Steiner Gun Mens Watch AS8104BK