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Watch
Reference : H76746540
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
Power reserve : 60 hour
Water Resistance : 10 bar (100m)/145 psi (328ft)
Anti Reflection : Yes
Open Case Back : Yes
Screw Down Crown : Yes
Silicon Balance Spring : Yes
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Bracelet/Strap
Strap reference : H6007671081
Strap type : Cow leather
Buckle type : H-Buckle
Buckle width : 22mm
Khaki Aviation Converter Auto Chrono
Automatic | 44mm | H76746540
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 brown leather strap and a blue dial evoking visions of clear skies.
- Free 2nd Day Shipping
- 2-Year International Warranty
- Contact us: 1-800-234-8463 | Hamilton.US@swatchgroup.com
Features
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 free delivery for all orders. If you would like your order to arrive sooner you can select “Next-Day Delivery” (rates vary by location). To find out more information about our delivery options please visit our Shipping Policy.
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Return
We offer returns within 14 days from delivery. For more information, please visit our Return Policy.
If you have an item that you would like to return, please contact our customer service department at 1-800-234-8463 or Write us.