We are authorized Hamilton retailer therefore 2 years official international warranty stamped from our company and activated to Hamilton network from the day of order! The watch is brand new in box with official papers. Dispatched in one day from Monday till Friday. We ship with DHL express all around the world. Khaki Aviation X-Wind Auto Chrono Automatic | 45mm | H77916920 Designed with pilots in mind and built for a life of adventure, the Khaki Aviation X-Wind Automatic Chronograph flies through the crosswinds in a bold new guise, with camouflage patterns and new color variants extending across the dial, strap and case. Featuring an inner rotating bezel and an anti-magnetic Silicon hairspring, this high-performance piece has combat-chic looks and assertive style. Specifications • Reference H77916920 • CaliberH-21-Si • Collection Khaki Aviation • Movement Automatic • Case size 45mm • Thickness (mm) 14.85 • Dial color Brown • Case material Stainless steel • Coating PVD beige • Crystal Sapphire • Lug width 22mm • Power reserve 60 hour • Water Resistance10 bar (100m) • Anti Reflection Yes • Open Case Back Yes • Screw Down Crown Yes • Silicon Balance Spring Yes