Hamilton · Khaki Field

Strap for Khaki Field King 27

Takes 14 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width14 mm
Case diameter27 mm
ReferenceH64211133
FamilyKhaki Field
MovementETA caliber 956.412 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

The Khaki Field H64211133, seen from the bench

The Khaki Field represents Hamilton's military line, featuring a black dial and luminous indexes for readability in low light conditions. The H64211133 model mounts the ETA 956.412 quartz caliber with hour, minute, second and date indication. The lugs measure 14mm in width for the strap.

Frequently asked questions

What is the lug width of the Hamilton Khaki Field H64211133?

The Hamilton Khaki Field H64211133 features a lug width of 14mm. This measurement represents the distance between the inner shoulders of the case lugs, where the strap inserts. It is a specific dimension for compact and vintage models, consistent with original military field watch standards. When purchasing a strap, ensure it is compatible with this exact measurement to avoid unwanted play or anomalous tension.

Which strap is recommended for the Hamilton Khaki Field H64211133?

For the H64211133, we recommend straps in vegetable-tanned calf leather in brown tones to emphasise the original military character; dark alligator for those seeking formal elegance; or NATO straps in slate grey or khaki tones for tactical authenticity. The choice depends on intended use: aged leather for business settings, NATO for sports or humid environments. The 14mm size ensures complete compatibility with the case lugs.

How do you change the strap on a Hamilton Khaki Field H64211133?

To change the strap, position the watch with the lugs facing you. Use a dedicated tool (spring bar tool) to gently push the lug pin outward, creating sufficient space to remove the strap. Once the old strap is extracted, insert the new one by aligning the holes and pressing the pin back into position. Verify it is fully locked by gently shaking the watch. For valuable timepieces, we recommend entrusting the task to professionals.

Are aftermarket straps available that are compatible with the H64211133?

Yes, numerous European artisanal workshops produce 14mm straps compatible with the H64211133. On milanostraps.it you will find straps in vegetable-tanned leather, alligator, shell cordovan, NATO and FKM rubber, all constructed for this specific lug width. Each strap is selected for build quality, longevity and aesthetic coherence with the minimalist design of the Khaki Field. Online customisation allows you to select colour, texture and dedicated finishes.

How long does a leather strap last on a Hamilton Khaki Field H64211133?

A quality vegetable-tanned leather strap, worn daily, typically lasts 3-5 years before requiring replacement. Durability depends on usage (humid climates reduce longevity), care (drying after water exposure) and construction quality. On 27mm watches with 14mm lugs, the strap does not bear the weight of the case, so stresses are reduced compared to oversized models, potentially extending useful life. The patina that develops is a sign of positive aesthetic ageing, not immediate degradation.

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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