Hamilton

King Auto 40mm

Reference Number :

H64455133

Series : Khaki Field

Retail: $795

(As of: 06/2025)

This watch is not for sale, this page is just for reference purposes only. If you would like to purchase this watch, please contact Hamilton. If you are interested in selling this watch to us, you can contact us here.

Quick TakeSome watches are tools, others are statements. The Khaki King Auto, however, is a trusted accomplice. It's the kind of watch that feels instantly familiar, yet reveals new depths the longer you wear it. That full day spelled out at the top of the dial isn't just a function; it's a declaration. It’s a grounded, no-nonsense feature for someone who commands their own schedule. While its roots are firmly planted in the rugged Khaki Field collection, the polished bezel and solid steel bracelet give it an urban sophistication. This isn't just a weekend warrior; it’s a seven-days-a-week cornerstone. The real magic, though, is the H-40 movement humming away inside. Knowing you have an 80-hour power reserve is a quiet confidence booster. You can set it down Friday, live your life, and pick it up Monday morning without missing a beat. It's a subtle flex, a piece of engineering that works for you, not the other way around. It’s a king, not by pomp, but by pure, unassailable competence.

DescriptionThe Hamilton H64455133 is constructed from a stainless steel case measuring 40mm in diameter with a thickness of 11.15mm and a lug width of 20mm, facilitating strap compatibility. The case architecture provides water resistance up to 5 bar, equivalent to 50 meters or 164 feet, suitable for surface-level water exposure. Protecting the black dial is a sapphire crystal, selected for its high scratch resistance. An open case back is integrated into the design, allowing for a visual inspection of the internal mechanical movement. The dial itself features applied Super-Luminova on its indices and hands, ensuring legibility in low-light conditions. A defining characteristic is the prominent day and date aperture positioned at the 12 o'clock location, offering an immediate and full reading of the calendar information. The entire assembly is secured to the wrist by a stainless steel bracelet, reference H6056441041, which terminates in a folding clasp for secure fastening.

At the core of this timepiece operates the Caliber H-40 automatic movement. This self-winding mechanical caliber is engineered to provide a substantial power reserve of 80 hours, a duration significantly exceeding the typical industry standard. This extended operational capacity allows the watch to maintain accurate timekeeping for more than three full days after being removed from the wrist, such as from a Friday evening through to a Monday morning. The movement's functional and aesthetic qualities are observable through the transparent exhibition case back, showcasing the technical execution of the escapement and rotor. The combination of this high-performance caliber with the robust external components results in a timepiece designed for consistent and reliable daily wear.

GenderMen

SignaturesHamilton

Country of OriginSwitzerland

Case Size40 mm

MovementAutomatic

CaliberH-40

FunctionsHours, Minutes, Seconds, Date, Day

Power Reserve80 Hours

Case MaterialsStainless Steel

Bezel MaterialsStainless Steel

Lug MaterialsStainless Steel

Case BackSapphire Crystal