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Hamilton · Khaki Navy

Strap for Khaki Navy Scuba Auto Stainless Steel / Black

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

Lug width

20mm
20 mm strapsAll Hamilton
Lug width20 mm
Case diameter40 mm
ReferenceH82305131
FamilyKhaki Navy
MovementHamilton caliber H-10 hours, minutes, seconds | date
Year2020
CaseStainless Steel

Spring bar

Swiss Standard universal spring bars

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

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Straps for the Khaki Navy H82305131

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Khaki Navy H82305131, seen from the bench

The Hamilton Khaki Navy H82305131 is a 40mm stainless steel automatic watch powered by the Hamilton H-10 movement. Built on American military watchmaking heritage since 1892, this model features a rotating bezel, luminous dial, and date window with three counters. The 20mm lug width accommodates standard aftermarket straps without compromise, making it suitable for both civilian and professional use.

Frequently asked questions

What is the lug width of the Hamilton Khaki Navy H82305131?

The H82305131 features 20mm lugs. This measurement is the standard for sports and military watches at 40mm and is compatible with the full range of 20mm aftermarket straps available at Milano Straps.

Which strap do you recommend for the Hamilton Khaki Navy H82305131?

We recommend three options: Italian leather (calf or alligator with vegetable tanning) in brown or cognac tones for formal elegance; NATO straps in heavy canvas or nylon for practicality and colour versatility; FKM rubber for maritime or sporting environments. Your choice depends on primary use and personal aesthetic preference.

How do I change the strap on the Hamilton Khaki Navy H82305131?

Strap replacement requires a specific tool (spring bar tool) to remove the vertical pins from the watch case lugs. We recommend entrusting this operation to a specialist watchmaker to avoid case damage. Milano Straps provides detailed instructions and technical support with every strap purchase.

Is an aftermarket strap compatible with the H82305131?

Yes, any strap with 20mm lug width is fully compatible with the H82305131. Industrial standardisation ensures that pin diameters, thicknesses and attachment points align perfectly with your original Hamilton pins.

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

A quality artisanal Italian leather strap has an average lifespan of 5-7 years with daily wear. Longevity depends on tanning method (vegetable tanning lasts longer), leather thickness and environmental conditions (humidity, direct sunlight accelerate ageing). The natural patina that develops is a sought-after aesthetic characteristic, not a defect.

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