Hamilton · Khaki Action

Strap for Khaki Action Auto Chrono

Takes 24 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width24 mm
Case diameter44 mm
ReferenceH63516135
FamilyKhaki Action
MovementETA caliber 7753 hours, minutes, small seconds | date | Chronograph
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 Action H63516135

Selected for the 24 mm lug width · workshop selection

All 24 mm straps →

The Khaki Action H63516135, seen from the bench

The Hamilton Khaki Action H63516135 is a 44mm stainless steel chronograph rooted in 1950s American military watch tradition. Powered by the ETA caliber 7753 automatic movement, it features a dial with baton indices, peripheral tachymeter scale, and a 30-minute chronograph function with date window. The 24mm lug width ensures optimal proportions on the larger case, maintaining secure wrist positioning without rigidity, while the stainless steel construction and modest water resistance suit demanding environments and light aquatic use.

Frequently asked questions

What is the lug width of the Hamilton Khaki Action H63516135?

The Khaki Action H63516135 features a 24mm lug width. This is the distance between the two lugs of the case and represents the correct dimension for selecting compatible straps. Always measure from the inner point of one lug seat to the other, perpendicular to the case axis, to ensure precise fitting without excessive play.

Which strap should I choose for the Khaki Action H63516135?

For the Khaki Action H63516135 we recommend: vegetable-tanned alligator for formal use and natural patina development; vegetable-tanned calf as a compromise between elegance and practicality; NATO in cotton-nylon for tactical styling and quick changes; natural vulcanised rubber for water environments or hot climates. The choice depends on intended use and desired aesthetics, but all artisanal materials respect the proportions of a 44mm case.

How do I change the strap on a Hamilton Khaki Action H63516135?

To change the strap: position the watch on a soft, stable surface and locate the lugs with their metal spring bar seats. Use a spring bar remover tool to compress the internal spring and release the pin. Remove the old strap gently and insert the new one, aligning the holes with the pins and ensuring the spring locks completely. If unfamiliar with this procedure, consult a professional to avoid damage to the lugs.

Is an aftermarket strap compatible with the Hamilton Khaki Action H63516135?

Yes, any artisanal strap with a 24mm lug width is perfectly compatible with the Khaki Action H63516135. The important thing is to verify that the width is exactly 24mm and that the holes are correctly positioned for mounting on the spring bars. Quality artisanal straps often offer materials and finishes unavailable as original equipment, allowing you to fully personalise the character of your watch.

How long does a vegetable-tanned leather strap last on a watch like the Khaki Action H63516135?

A quality artisanal vegetable-tanned leather strap lasts approximately 3–5 years with daily wear, provided regular maintenance: avoid prolonged submersion, allow natural drying if wet, and occasionally treat with natural waxes. Longevity extends with rotation between multiple straps and less humid environments. The advantage is that vegetable-tanned leather develops authentic patina and can be rejuvenated through reconditioning, unlike industrial straps that degrade without aesthetic recovery.

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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