Hamilton · Khaki Navy

Strap for Khaki Navy Scuba Auto 43 Stainless Steel / Blue / Bracelet

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

Lug width22 mm
Case diameter43 mm
ReferenceH82505140
FamilyKhaki Navy
MovementHamilton caliber H-10 ND hours, minutes, seconds
Year2022
CaseCeramic, Stainless 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 H82505140

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Khaki Navy H82505140, seen from the bench

The Khaki Navy Scuba Auto 43 is a 43mm stainless steel watch with ceramic bezel from Hamilton's Khaki Navy collection, powered by the automatic Hamilton caliber H-10 ND movement. The case is water-resistant to 100 meters and features a screw-down crown and sapphire crystal. The lug width is 22mm, the standard measurement for 42-44mm watches, connecting the case to the wrist with balanced proportions. The stainless steel and ceramic combination enhances corrosion resistance, reflecting the professional engineering of the Khaki Navy line designed for maritime and technical use.

Frequently asked questions

What is the lug width of the Hamilton Khaki Navy H82505140?

The lug width of the Hamilton Khaki Navy H82505140 is 22mm. This measurement represents the outer distance between the two lugs on the case and determines strap compatibility. Always verify the measurement with a calliper before purchasing an aftermarket strap.

Which strap is best suited for the Hamilton Khaki Navy H82505140?

For the Khaki Navy H82505140, we recommend a vegetable-tanned leather strap in dark brown or cognac to preserve its maritime aesthetic. A versatile alternative is a NATO strap in technical fabric, ideal for operational contexts and quick changes. For extended diving, an FKM rubber strap guarantees waterproofing performance without compromise.

How do you change the strap on a 22mm lug width watch?

Strap replacement requires a specialised tool (spring bar tool) to compress the spiral springs securing the strap to the case lugs. Insert the tool under the lug with gentle pressure to retract the spring, remove the old strap, and insert the new one until it clicks. Perform the operation on a clean surface, avoiding scratches to case and strap.

Is an aftermarket strap compatible with the Hamilton H82505140?

Yes, any strap with a 22mm lug width is physically compatible with the Khaki Navy H82505140. However, we recommend selecting quality straps (vegetable-tanned leather, regenerated fabric, FKM rubber) that respect the model's aesthetic proportions. All 22mm straps on Milano Straps are tested on compatible models.

How long does a leather strap last on a watch like the Khaki Navy H82505140?

Durability depends on material, maintenance, and frequency of use. A quality leather strap with vegetable tanning lasts 3 to 8 years in daily wear. Alligator leather and shell cordovan offer superior longevity due to fibre resistance. Regular maintenance (cleaning, conditioning, rotation with other straps) significantly extends useful life.

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.

Request an appointment →

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