Hamilton · Jazzmaster

Strap for Jazzmaster Square Lady

Takes 17 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width17 mm
Case diameter29 mm
ReferenceH32251733
FamilyJazzmaster
MovementETA caliber 901.001 Hours, Minutes, Seconds | Date
CaseStainless Steel

Spring bar

Swiss Standard universal spring bars

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

The Jazzmaster H32251733, seen from the bench

The Hamilton Jazzmaster H32251733 is a 29mm stainless steel watch from the Jazzmaster collection, originally created in 1968. It features the ETA 901.001 manual-wind mechanical movement with hours, minutes, seconds, and date display. The case is brushed stainless steel 316L, designed with a 17mm lug width that requires precise craftsmanship for proper strap fitting.

Frequently asked questions

What is the lug width of the Hamilton Jazzmaster H32251733?

The lug width of the H32251733 is 17mm. This measurement is critical for compatibility: any aftermarket strap must be exactly 17mm wide to fit correctly between the case lugs. Measure with a calliper along the internal surfaces of both lugs.

What is the best strap for the Hamilton Jazzmaster H32251733?

The best strap depends on your use case: alligator leather in dark brown offers classical elegance; Italian vegetable-tanned leather ensures natural patina over time; NATO in cotton is ideal for daily wear; FKM rubber is recommended for humid environments. The 29mm case and minimalist design are enhanced by dark-toned, high-quality leather.

How do I change the strap on my Hamilton Jazzmaster H32251733?

Changing the strap requires a spring bar tool. Place the watch on a soft surface, locate the small hole on the inner side of each lug, insert the tool to compress the spring bar, extract the old strap end, and insert the new one. Ensure the new strap is 17mm wide for proper fit.

Is an aftermarket strap compatible with the Hamilton Jazzmaster H32251733?

Yes, provided it is 17mm wide. Any certified aftermarket strap with 17mm lug width is compatible. We recommend verifying that the material (leather, NATO, rubber) is certified for watch use and that stitching is robust for longevity.

How long does a leather strap last on the H32251733?

Durability depends on tannage and usage: alligator or shell cordovan straps last 3–5 years with daily wear; vegetable-tanned leather typically lasts 2–3 years due to natural ageing. NATO cotton straps last 2–4 years. Sweat, humidity, and sun exposure shorten lifespan. Regular care (cleaning, conditioning) extends longevity.

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