The Oulm dual-time sportwatch is a Rectangular military grade Chronograph design watch with a Japan Quartz Movement, Alloy Engine with high level of waterproofing that supports swimming and bathing Hot or Cold. It has Compass & Dual-time Zone analog time display that enables you to set time for different countries at same time. The strap is made from top quality Leather with scratch proof. It has a Luminous  for night view. The Watch is Battery Powered. 4YRS Guarantee wit Anti-theft Leather Wallet.