- Reference H77796135
- Caliber H-21-Si
- Collection Khaki Aviation
- Movement Automatic
- Case size 45mm
- Thickness (mm) 14.85
- Dial color Black
- Case material Stainless steel
- Crystal Sapphire
- Lug width 22mm lug width
- Power reserve 60 hour
- Status Past collection
- Water Resistance 10 bar (100m)
- Anti Reflection Yes
- Open Case Back Yes
- Screw Down Crown Yes
- Silicon Balance Spring Yes
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- Khaki Aviation X Wind Day Date Auto Chrono | LIMITED EDITION
Khaki Aviation X Wind Day Date Auto Chrono | LIMITED EDITION
Automatic | 45mm | H77796135
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.
Specifications
Strap
- Strap reference H6057771021
- Strap type Stainless steel
- Buckle type Folding clasp
- Buckle width 20mm
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.
Delivery & Return
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Delivery
We offer standard delivery with Toll within 2 to 5 working days unless otherwise advised. Please note that orders with strap adjustments might delay your order. As soon as the order is shipped, you will be notified by email, with the tracking number associated to your package. To find out more information about our delivery options please visit our FAQ.
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Return
We offer free returns within 14 days from delivery. For more information, please visit “Returns Policy”
Features
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SELF-WINDING
Wrist movements cause the inner rotor to swing, transferring energy to the mainspring, and powering your timepiece.
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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.
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Sapphire Crystal
Synthetic sapphire crystal is a tough scratch-resistant material, only diamonds could leave a mark.
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SILICON BALANCE SPRING
Silicon balance springs offer various advantages: immune to magnetic fields, temperature fluctuations, oxidation, aging, shocks, and maintains shape stability.
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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.
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WATER RESISTANCE
Your timepiece is resistant up to 10 bar (100m) / 145 psi (328 ft).
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KHAKI AVIATIONThe Khaki Aviation collection perfectly displays Hamilton's technical know-how when it comes to creating reliable watches for pilots and urban aviators.