Hamilton · Khaki Field

Strap for Khaki Field Auto 38 Stainless Steel / Blue / Bracelet

Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width20 mm
Case diameter38 mm
ReferenceH70455140
FamilyKhaki Field
MovementHamilton caliber H-10 hours, minutes, seconds | date
Year2025
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 H70455140

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Khaki Field H70455140, seen from the bench

The Khaki Field represents Hamilton's military line, characterized by a functional and durable design. It is powered by the automatic caliber H-10 with hour, minute, second and date indication. It features 20mm lugs for the strap.

Frequently asked questions

What is the lug width of the Hamilton Khaki Field H70455140?

The lug width of the Hamilton Khaki Field H70455140 is 20mm, measured from the outer edge of one spring bar pin to the outer edge of the other. This width is specific to this model and requires custom-fabricated straps, not standard 22mm adaptations.

Which strap pairs best with the Hamilton Khaki Field H70455140?

We recommend a vegetable-tanned leather strap in cognac brown or khaki green, which amplifies the tactical aesthetic of the watch. For more rigorous use, a NATO strap in Cordura fabric offers waterproofing and durability. If the dial is black, prefer black leather with vegetable tanning.

How do you change the strap on the Hamilton Khaki Field H70455140?

The Hamilton Khaki Field H70455140 uses standard 20mm spring bar pins. To change the strap: use a spring-bar tool to compress the elastic pin, remove the old strap, insert the new one by aligning the lug holes, and release the pin until it clicks into place. If inexperienced, consult a specialist such as Atelier Casati Milano.

Is there an aftermarket strap compatible with the 20mm lug width of the Khaki Field H70455140?

Yes, many aftermarket straps are compatible provided they are manufactured with 20mm lug width specification. Avoid standard 22mm straps—they will not fit correctly. Milanostraps.it offers a collection of custom 20mm straps, from vegetable-tanned leathers to NATO options, personalizable by colour and material.

How long does a leather strap last on the Hamilton Khaki Field H70455140?

A quality leather strap lasts between 3 and 5 years with moderate daily wear. If crafted from premium shell cordovan or vegetable-tanned leather, longevity can extend to 8–10 years thanks to controlled ageing that increases durability and patina development. Prolonged humidity and direct sunlight exposure reduce lifespan.

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.

Request an appointment →

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