Hamilton · Khaki Navy

Strap for Khaki King Scuba Quartz

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

Lug width20 mm
Case diameter41 mm
ReferenceH64541153
FamilyKhaki Navy
MovementETA caliber 955.132 Hours, Minutes, Seconds | Date, Day
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 Navy H64541153

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Khaki Navy H64541153, seen from the bench

The Hamilton Khaki Navy H64541153 features a 41 mm stainless steel case paired with a dark blue dial and date window at 3 o'clock. It is powered by the ETA 955.132 Swiss quartz movement, offering reliable precision and low maintenance. The watch has a 20 mm lug width, a non-standard specification that requires compatible aftermarket straps for proper fit and functionality.

Frequently asked questions

What is the lug width of the Hamilton Khaki Navy H64541153?

The lug width of the Hamilton Khaki Navy H64541153 is 20 millimetres. This technical specification is crucial when selecting aftermarket straps, as it determines the physical dimensions of the terminals that anchor the strap to the case. Measurement is performed by inserting a ruler between the two metal pins located in the transition zone between case and original lug.

Which strap is best suited for the Hamilton Khaki Navy H64541153?

For the Khaki Navy H64541153, straps in vegetable-tanned alligator leather are ideal, as they emphasise the watch's sober elegance, or robust NATO fabric straps if you wish to underscore its military heritage. A black calf box leather strap represents a versatile middle-ground solution. Rubber straps are perfect for those preferring practicality and maximum moisture resistance. Your choice depends on intended usage context and desired formality level.

How do I change the strap on a 20mm lug width timepiece?

Strap replacement requires extraction of the pins anchoring the original strap to the case. Using a dedicated tool (silicone spring bar tool or specific extractor), gently push the pin from one direction to the other until it is completely removed. Once the old strap is free, insert the new strap into the lug seat and reinsert the pin in the opposite direction until fully locked. The operation requires care to avoid case damage.

Are aftermarket 20mm straps compatible with the Hamilton Khaki Navy H64541153?

Yes, all straps specifically manufactured for the 20mm lug width are compatible with the Khaki Navy H64541153. Artisanal strap manufacturers, such as those available through milanostraps.it, construct their creations in strict compliance with standard dimensions, guaranteeing construction precision and mounting fluidity. It is essential to confirm that the strap is genuinely fabricated for 20mm before purchase.

How long does a leather strap last on a watch like the Hamilton Khaki Navy H64541153?

Leather strap longevity depends on the tanning type and frequency of wear. Vegetable-tanned alligator, if properly maintained, can last 5-7 years of daily wear. Calf box leather has similar durability. A robust NATO fabric strap may exceed 10 years. Synthetic rubber straps guarantee the longest period, often surpassing 10 years. Regular maintenance (cleaning, leather conditioning) significantly extends operational strap 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.

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