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Hamilton · Khaki Aviation

Strap for Khaki Aviation X-Mach

Takes 22 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width

22mm
22 mm strapsAll Hamilton
Lug width22 mm
Case diameter44 mm
ReferenceH76626535
FamilyKhaki Aviation
MovementHamilton caliber H-21 [day - date] hours, minutes, small seconds | date, day | Chronograph
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 Aviation H76626535

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Khaki Aviation H76626535, seen from the bench

The Hamilton Khaki Aviation H76626535 is a 44mm stainless steel pilot watch with a 22mm lug width, continuing Hamilton's legacy as official supplier to the U.S. military aviation since 1942. It features the Hamilton H-21 automatic chronograph movement with day and date complications, a unidirectional rotating bezel, and Super-LumiNova indices and hands. Water-resistant to 100 metres with a screw-down crown, the watch measures 14.5mm thick and is part of the Khaki Aviation collection, designed for functional readability in critical conditions.

Frequently asked questions

What is the lug width of the Hamilton Khaki Aviation H76626535?

The Hamilton Khaki Aviation H76626535 features a 22mm lug width, measured internally between the lugs. This dimension allows access to a broad range of high-quality aftermarket straps in both leather and technical fabrics.

Which strap is best suited for the Hamilton Khaki Aviation H76626535?

Selection depends on your intended use. For tactical and aviation environments, a premium NATO strap in regenerated fabric ensures reliability and comfort. For classical elegance, Niloticus alligator in hazelnut brown creates ideal contrast with the brushed case. For maintenance-free durability, FKM rubber is the athlete's choice.

How do I change the strap on this Hamilton model?

Strap replacement is performed by removing the lugs using a dedicated tool or fine-pointed file. Insert the new strap by aligning the holes with the lugs, then reinsert the pins, ensuring they are securely fixed. If unfamiliar with the process, consult a professional watchmaker.

Are compatible aftermarket straps available for the H76626535 reference?

Yes, any strap with a 22mm lug width is compatible. Milano Straps offers an extensive selection of 22mm straps in leather, alligator, NATO, and rubber, all ready for shipment and customizable to your preferred colours.

How long does a natural leather strap last on a watch like this?

A quality strap with vegetable tanning typically lasts 3–5 years with daily wear and regular maintenance. Durability varies according to climate, humidity, and intensity of use. The patina that develops over time enhances both aesthetic character and perceived value.

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