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Rugged yet refined, the Khaki Field King 40mm pairs its sun-brushed black dial with a stitched brown leather strap for a look that’s both adventurous and heritage-inspired. The signature day-date display at 12 o’clock and military time markings underline its roots, while specially designed crown protectors ensure durability in any setting. With 10 bar water resistance and anti-reflective coating, this field watch is built for clarity and confidence - long live the King.
Specifications
ReferenceH64475531
CaliberH-40
CollectionKhaki Field
MovementAutomatic
Watch FunctionDate, Day
Case size40mm
Thickness (mm)11.8
Dial colorBlack
Case materialStainless steel
CrystalSapphire
Lug to lug50mm
Lug width20mm
Power reserve80 hour
StatusCurrent collection
Water Resistance10 bar (100m)/145 psi (328ft)
Anti ReflectionYes
Open Case BackYes
NivachronYes
Super LuminovaYes
Strap
Strap referenceH6007041041
Strap typeCow leather
Buckle typePin buckle
Buckle width18mm
Movement
H-40
With an extended power reserve of up to 80 hours, the H-40 is both beautiful and bold. Almost double than market standard, 80 hours power reserve means you can remove your watch on Friday and it will still be ticking on Monday.
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.
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.
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.
Sapphire Crystal
Synthetic sapphire crystal is a tough scratch-resistant material, only diamonds could leave a mark.
NIVACHRON™ BALANCE SPRING
Nivachron™ is an alloy used to produce balance spring to resist magnetic fields and improve accuracy. It reduces the effects of magnets, temperature, and shocks.
WATER RESISTANCE
Your timepiece is resistant up to 10 bar (100m) / 145 psi (328 ft).
KHAKI FIELD KING
Born during the brand’s transition from military supplier to civilian watchmaker, the Khaki Field King represents the point where field-watch reliability met everyday life.
BUILT FOR THE OUTDOORS
Heritage meets adventure in a modern field watch built for life beyond routine.
5/5
Overall rating | 3 reviews
Watch is great. Everything I expected from Hamilton. My only disappointment is that the leather band is too small. I have a 7.5” wrist and can barely secure the strap. Overall, a minor issue that can be easily resolved later. Will definitely buy Hamilton watches in the future.
anonymous anonymous.
June 8, 2026
Receive compliments on this watch all the time. Great time piece!
David S.
June 7, 2026
beautifully crafted watch . great value for the quality
