- Reference H76746140
- Caliber H-21-Si
- Collection Khaki Aviation
- Movement Automatic
- Case size 44mm
- Thickness (mm) 14.6
- Dial color Blue
- Case material Stainless steel
- Crystal Sapphire
- Lug width 22mm lug width
- Power reserve 60 hour
- Status Current collection
- Water Resistance 10 bar (100m)
- Anti Reflection Yes
- Open Case Back Yes
- Screw Down Crown Yes
- Silicon Balance Spring Yes
Navigate the skies with our Khaki Aviation Converter Auto Chrono equipped with a bi-directional, rotating slide-rule bezel to calculate critical conversions and metrics at a glance. Fitted with the H-21-Si movement with silicone hairspring for increased performance and accuracy, this pilot watch blends function and aviation aesthetics to perfection: its 44mm stainless steel case is paired with a stainless steel bracelet and a blue dial evoking visions of clear skies.
Navigate the skies with our Khaki Aviation Converter Auto Chrono equipped with a bi-directional, rotating slide-rule bezel to calculate critical conversions and metrics at a glance. Fitted with the H-21-Si movement with silicone hairspring for increased performance and accuracy, this pilot watch blends function and aviation aesthetics to perfection: its 44mm stainless steel case is paired with a stainless steel bracelet and a blue dial evoking visions of clear skies.
Specifications
Strap
- Strap reference H6057671021
- Strap type Stainless steel
- Buckle type Folding clasp
- Buckle width 22mm
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.
Information
- Free express delivery 2-3 working days
- 2 Years International Warranty
- Easy returns within 30 days | No returns on engraved watches
- Customer Service: 0818 00 1892 | Contact us
Delivery & Return
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Delivery
We offer complimentary express delivery for all watch purchases. Place your order today and get it delivered within 48 to 72 hours. All our orders are dispatched from Switzerland. Please note that all the delivery duties are included with your order. To find out more information about our delivery please visit “Delivery"
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Return
We offer easy returns within 30 days from delivery. For more information, please visit “Returns & Exchanges”
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.
4/5
Overall rating | 1 reviews
Seems ok. Hope I haven't damaged the crown cos you didn't include a manual or information that the crown needs to unlock by winding.
Andrew S.
27 December 2023
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