Watch Details Brand Name: Swiss Army Style Number: 241370 Series: Officers Subseries: Mecha Style (Gender): Men's Case Material: Stainless Steel, Brushed and Polished Dial Color: Black Movement: Automatic Selfwinding Engine: ETA 2824.2 (25 jewels) Functions: Hours, Minutes, Central Second, Date Crystal Material: Sapphire - Anti-Reflective Case Diameter: 40.0 mm Case Thickness: 10.35 mm Caseback: Exhibition Case Back Bezel Material: Stainless Steel, Polished Bezel Function: Fixed Water Resistance: 100m / 330ft (suitable for swimming and shallow snorkeling; may be unsuitable for diving) Crown Material: Stainless Steel, Fluted Calendar: Automatic Three-day Aperture at 3 Power Reserve: 38-month power reserve Watch Bracelet / Strap Material: Stainless Steel Watch Clasp Material: Deployant Folding Clasp Max Wrist Size: 8.5 Watch Strap Width: 20.0 mm