Hamilton Khaki Field King Auto Review
An Automatic Watch With Style

Hamilton have a proud history of making high quality watches at affordable prices. Yes, I know, so do many other brands. But not many of them can claim to be “Swiss Made”.

Hamilton was originally a fully USA produced and owned watch company, but slowly started putting their foot on Swiss soil in the late 60s. They are now fully owned and operated as a subsidiary of Swatch.

Despite this change of ownership, Hamilton has maintained their unique style and class and has carved out a niche in the watch market that is obvious when you see any of their watches.

The Hamilton Khaki is a worthy part of this heritage and a watch I thought was worth taking a closer look at today.

The Hamilton Khaki King Features

The Hamilton Khaki Field collection dates back to 1910 when they were supplying the military and you can still see that history on the watch today. The military time on the dial along with a super robust construction and longevity are hallmarks of the brand. And the specs of this watch in many ways only hammer home that point:

  • Hamilton H40 Automatic Movement – 80 hours power reserve, day/date, 3Hz (21,600 bph)
  • Sapphire crystal
  • 40 mm stainless steel case
  • Stainless steel bracelet with safety
  • 50m / 165ft water resistance
  • Day/Date window at 12 o’clock
  • 12 & 24hr time marketings
  • Recessed crown at 3 o’clock
hamilton field khaki king auto dial H64455133
Hamilton Khaki Field King Dial
hamilton field khaki king auto dial H64455133 Day Date
Hamilton Khaki Field King - Day Date
hamilton field khaki king auto dial grooves H64455133
Hamilton Khaki Field King Dial Grooves

The Dial

The military history of the Hamilton field is no more apparent than on the dial of this watch. The large and easily legible outer ring of hour markers is accompanies by their 24 hour brethren on a more subtle but readable inner ring. The minutes are also marked with arabic numerals quietly along the case border on the very accurate chapter ring.

There is a subtle yet stylish dial series of grooves underneath the applied hour markers too, which you can see above in the third image. This gives the dial an extra dimension and level of style, I find.

The very obvious day and date window at 12 o’clock is something many will not like, carving a huge piece out of the dial and “ruining” the markers from 11 through til 1. However, if you are a fan of this style, often associated with the Rolex DayDate, then it’s only going to add to the appeal of this watch. They are very easy to read though, with the well thought out white background and black text and capital sans-serif font.

The hands on the watch are well suited to the style, although nothing special in and of themselves. Simple pointed tapers for the hour and minute, and an arrow head second hand with circular counter balance on the end.

Hamilton Khaki Field King Case
Hamilton Khaki Field King Case
Hamilton Khaki Field King Bracelet
Khaki King Auto Bracelet

The Case & Bracelet

The Khaki Field King has a typical combination brushed and polished stainless steel on the case. The bezel is polished, accentuating the domed sapphire crystal that provide a stunning curved finish to the dial. Just be aware that although the crystal is quite scratch proof, the polished stainless steel is less so. Not a deal breaker, but something to consider.

The rest of the case is polished, with the lugs curving over the wrist on the ends which in many ways makes this a smaller watch than the 40mm case diameter might suggest.

The back of the case also has a nice surprise with a display back highlighting the masterpiece that is the H-40 movement from Hamilton. More on that below.

Hamilton have cleaning stamped their mark on the guarded crown with a capital H, as well as their full logo on the clasp of the brand. Standard practice on a watch of this price range I have found. But still, it gives it a better look than say a Seiko 5.

The bracelet is a quality stainless steel 3 piece, completely brushed and somewhat adjustable (although only two small adjustment positions). It’s great that it has a double button safety on the clasp too.

The Automatic Movement

A few years ago Hamilton decided to step their movements up a notch and took the already worthy ETA movement they were using and extended it to a more practical 80+ hour power reserve. In order to achieve this 3 day+ reserve they had to compromise on the number of beats. 

They reduced it to 3Hz, or 21,600 bph which gives the second hand less of a sweeping motion than some other earlier movements from Hamilton’s range, but also extends the life of it. Because, higher beats means more wear on the parts of the movement, which ultimately will reduce the lifetime of your watch.

So, now we have a Swiss Made, Automatic, 25 jewel, 80hr power reserve movement.

Hamilton's H-40 Movement
Hamilton's H-40 Movement

Water Resistance & Dive Watch Specs

Hamilton has given this watch an adequate level of water resistance, although if I am honest, it is a little disappointing for something with such a “military” pedigree. With 5 ATM or 50m water resistance, it will certainly survive in water for a brief period, but I would not advise any lengthy swimming training while wearing this watch.

Final Impressions Of The Khaki Field King

Hamilton always manage to impress me with what they manage to pack into a watch. And with this 80 hour power reserve Automatic with sapphire crystal and a great looking dial that smacks of their long military heritage, you can hardly go wrong.

And, even though many small-wristed people might baulk at the 40mm, it’s curve and shape make it more like a 38mm, so don’t hesitate for that reason alone!

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