- Reference H76409530
- Caliber H-51-Si
- Collection Khaki Aviation
- Movement Mechanical
- Watch Function Chronograph
- Case size 40mm
- Thickness (mm) 14.35
- Dial color Black
- Case material Stainless steel
- Crystal Sapphire
- Lug to lug 50mm
- Lug width 22mm lug width
- Power reserve 60 hour
- Status Current collection
- Water Resistance 10 bar (100m)
- Anti Reflection Yes
- Silicon Balance Spring Yes
Discover our collection of rugged military watches
- Strap reference H6000001151
- Strap type Cow leather
- Buckle type H-Buckle
- Buckle width 22mm
The H-51-Si is a mechanical 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 hand-wound caliber keeps and measures time via an iconic dial complete with start/stop and reset pushers. With no rotor and no date function, this interactive movement brings modern reliability and precision to signature, vintage-inspired design.
- Free return within 14 days
- Express delivery within 24 - 48 hours
- Important Notice
- Due to recent changes in customs regulations, DHL is currently experiencing difficulties processing and delivering shipments to Luxembourg. To facilitate the handling of these shipments, orders destined for Luxembourg are now routed through our offices in Brussels before being forwarded to their final destination. A delay of 24 to 48 hours should therefore be expected. Thank you for your understanding and patience.
- Payment by Visa, MasterCard or Apple Pay
- 2-year international warranty
- Customer service : +32 2 558 38 97 from Monday to Friday from 9 am to 5 pm
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Delivery
We offer free express delivery on all watch orders. Place your order today and receive it within 24 to 48 working hours. If you would like to order a bracelet only, delivery will cost you €5 and receive it within 24 to 48 working hours. For more information on our delivery options, please see "Delivery and returns".
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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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MANUAL WINDING
Wind your mechanical watch by turning the crown clockwise.
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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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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.
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