Hamilton · Khaki Field

Strap for Khaki Field Officer Automatic 44

Takes 22 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width22 mm
Case diameter44 mm
ReferenceH70685337
FamilyKhaki Field
MovementETA caliber 2824-2 hours, minutes, seconds | date
CaseStainless Steel

Spring bar

Swiss Standard universal spring bars

The right category for this model · 316L steel, all lug widths 13–26 mm

Straps for the Khaki Field H70685337

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Khaki Field H70685337, seen from the bench

The Hamilton Khaki Field H70685337 is a 44mm stainless steel automatic watch evolved from a 1940s military design. It features a sand-colored khaki dial with high-contrast luminescent hands and indices, protected by scratch-resistant sapphire crystal. The ETA caliber 2824-2 Swiss automatic movement provides 38 hours of power reserve and date function at 3 o'clock. Water resistant to 100 meters, the 316L stainless steel case ensures corrosion resistance. Lug width is 22mm.

Frequently asked questions

What is the lug width of the Hamilton Khaki Field H70685337?

The H70685337 features lug width of 22mm. This specification is precise to the 44mm case diameter and must be verified with a digital calliper prior to purchasing an aftermarket strap. Measuring the distance between the inner shoulders of the lugs provides the correct measurement for compatibility.

Which strap is best for the Hamilton Khaki Field H70685337?

There is no single "best" strap—the ideal choice depends on use case: vegetable-tanned leather for natural patina and field authenticity; woven NATO for replicating original military coding; vulcanised rubber for high-perspiration activity; alligator for formal elegance. All are compatible with the 22mm lug width.

How do I change the strap on a Hamilton Khaki Field H70685337?

Remove the spring bars using a dedicated extraction tool, or arrange professional servicing at a watchmaker. Position the new strap by aligning the holes with the spring bars, then reinsert the bars into their seats. Never force: correct insertion occurs with moderate and even pressure applied from both sides.

Are compatible aftermarket straps available for the H70685337 model?

Yes, numerous handcrafted straps with 22mm lug width are compatible with this model. milanostraps.it offers a dedicated collection of 22mm straps, featuring options in leather, NATO, rubber, and alligator, selected for aesthetic coherence and build quality with this tool watch.

What is the lifespan of a leather strap on a Hamilton Khaki Field?

A full-grain leather strap with vegetable tanning has a service life of 3–5 years with daily wear, developing natural patina over time. Longevity depends on UV exposure, humidity, frequency of wear, and maintenance. Occasionally applying a natural wax conditioner extends service life and preserves fibre flexibility.

The next step

The right strap isn't chosen. It is built, together.

From the atelier appointment to delivery, every step is made for those who know that things done well take time. Rare leathers, one piece at a time, eighteen months of warranty.

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Casati Milano · Via XX Settembre 15, Milan · by appointment only