The 2018 Khaki X-Wind Auto Chrono Limited Edition is packed with technical aviation features for pilots including Hamilton’s ground-breaking drift angle calculator. Limited to just 1,918 pieces, it uses the H-21-Si, the first Hamilton chronograph movement with a silicon hairspring which has been precision certified by COSC as a chronometer.

SPECIFICATION

Reference : H77796535
Caliber : H-21-Si
Collection : Khaki Aviation
Movement : Automatic
Case size : 45mm
Dial color : Black
Case material : Stainless steel
Crystal : Sapphire
Lug width : 22mm
Lining Tanning : Mineral
Power reserve : 60-hour power reserve
Water Resistance : 10 bar (100m)/145 psi (328ft)
Anti Reflection : Yes
Open Case Back : Yes
Screw Down Crown : Yes

MOVEMENT - H-21-SI

The H-21-Si is an automatic chronograph movement featuring a state-of-the-art balance spring made from the anti-magnetic material silicon for enhanced resistance to extreme atmospheric conditions. With an extended 60-hour power reserve, this powerful caliber reliably keeps and measures time via two or three sub dials at 6, 9 and/or 12 o’clock, and start/stop and reset pushers on the side.

BRACELET
Strap reference : H6007771101
Strap type : Cow leather
Buckle type : H-Buckle
Buckle width : 22mm
Top Denotation : Leather
Top Species : Cow
Top Tanning : Vegetal
Lining Species : Calf