Free Tinker or Mechanic knife included with this watch - $35 value Mechanical self-winding movement 46 hours power reserve Anti-reflection sapphire crystal Water resistant to 10 ATM - 100 M - 330 Ft Steel case Luminous hands and hour markers Unidirectional rotating bezel Screw-in caseback Date Chronograph Tackymeter timer Push-button deployant buckle with double looking safety clasp Steel bracelet Three-year Swiss Army warranty WatchCo.com is an authorized Swiss Army dealer