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
ReferenceH76746140
CaliberH-21-Si
CollectionKhaki Aviation
MovementAutomatic
Case size44mm
Thickness (mm)14.6
Dial colorBlue
Case materialStainless steel
Crystalsapphire
Lug width22mm_lug
Power reserve60_power
Water Resistance100_meters
Anti ReflectionYes
Open Case BackYes
Screw Down CrownYes
Silicon Balance SpringYes
Strap
Strap referenceH6057671021
Strap typeStainless steel
Buckle typeFolding clasp
Buckle width22_buckle
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
Delivery
We offer express delivery for all orders. Place your order before 11:30am today and get it delivered next working days! To find out more information about our delivery, please visit “Delivery”.
Return
We offer free returns within 14 days from delivery.
For more information, please visit “Returns Policy”
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.
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.
