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.
*Khaki Aviation X-Wind Sandstorm appears in the anime Splinter Cell
ReferenceH77916920
CaliberH-21-Si
CollectionKhaki Aviation
MovementAutomatic
Watch FunctionChronograph, Date, Day
Case size45mm
Thickness (mm)14.85
Dial colorBrown
Case materialStainless steel
CoatingPVD beige
Crystalsapphire
Lug width22mm
Power reserve60 hour
StatusCurrent collection
Water Resistance10 bar (100m)
Anti ReflectionYes
Open Case BackYes
Screw Down CrownYes
Silicon Balance SpringYes
Strap referenceH6007791021
Strap typeTextile
Buckle typePin buckle
Buckle width22_buckle
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.
Features
SELF-WINDING
Wrist movements cause the inner rotor to swing, transferring energy to the mainspring, and powering your timepiece.
STAINLESS STEEL CASE
A highly resistant alloy composed of steel and chromium. It can be worked to resemble a precious metal. It is nearly impervious to rust, tarnish, and corrosion.
Sapphire Crystal
Synthetic sapphire crystal is a tough scratch-resistant material, only diamonds could leave a mark.
SILICON BALANCE SPRING
Silicon balance springs offer various advantages: immune to magnetic fields, temperature fluctuations, oxidation, aging, shocks, and maintains shape stability.
H-21-Si CALIBER
A powerful automatic chronograph movement featuring an extended 60-hour power reserve. Equipped a state-of-the-art balance spring made from the anti-magnetic material silicon.
WATER RESISTANCE
Your timepiece is resistant up to 10 bar (100m) / 145 psi (328 ft).
KHAKI AVIATION
The Khaki Aviation collection perfectly displays Hamilton's technical know-how when it comes to creating reliable watches for pilots and urban aviators.