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Hamilton · Jazzmaster

Strap for Jazzmaster Automatic Chronograph 42 Stainless Steel / Black / Bracelet

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 diameter42 mm
ReferenceH32596131
FamilyJazzmaster
MovementHamilton caliber H-21 [date] 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

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Straps for the Jazzmaster H32596131

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Jazzmaster H32596131, seen from the bench

The Hamilton Jazzmaster H32596131 is a 42mm stainless steel automatic chronograph with integrated H-21 movement, combining hours, minutes, small seconds and date. The brushed-polished case in 316L stainless steel offers corrosion resistance and ergonomic proportions suitable for both business and daily wear. With a 22mm lug width, black dial with white indices, and sapphire crystal, this watch represents the modern evolution of the Jazzmaster family, originally founded in the 1950s as part of Hamilton's heritage since 1892.

Frequently asked questions

What is the lug width of the Hamilton Jazzmaster H32596131?

The Hamilton Jazzmaster H32596131 features a lug width of 22mm. This construction standard ensures harmonious proportions with the 42mm case and provides access to an extensive range of compatible aftermarket straps.

What is the best strap for the Hamilton Jazzmaster H32596131?

The choice depends on intended use and aesthetic preference. For formal contexts, we recommend vegetable-tanned leather or alligator; for daily versatility, a cotton or silk NATO; for humid environments, FKM rubber. Milano Straps stocks all options with 22mm lug width.

How do you change the strap on the Hamilton Jazzmaster H32596131?

Obtain a spring bar tool (small two-pronged instrument). Insert the prongs into the lateral spaces of the lugs to compress the internal spring, remove the worn strap, and insert the new one until it clicks. Fully reversible operation requiring only the correct tool.

Is the Hamilton Jazzmaster H32596131 compatible with aftermarket straps?

Absolutely. The 22mm lug width is a widespread standard. Any artisanal or industrial strap with 22mm lug width is mechanically and aesthetically compatible. Milano Straps provides a curated selection of options in this size.

How long does a leather strap last on the Hamilton Jazzmaster H32596131?

Durability varies with material and usage. A quality vegetable-tanned strap resists 2-3 years with regular maintenance (cleaning, balms); alligator 3-4 years; cotton NATO 4-5 years. Wear is gradual and patina is desirable. Replacement remains accessible and reversible.

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