Hamilton · Jazzmaster

Strap for Jazzmaster Lady Quartz 34mm

Takes 18 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width18 mm
Case diameter34 mm
ReferenceH32351915
FamilyJazzmaster
MovementETA caliber 955.412 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

Straps for the Jazzmaster H32351915

Selected for the 18 mm lug width · workshop selection

All 18 mm straps →

The Jazzmaster H32351915, seen from the bench

The Hamilton Jazzmaster H32351915 is a 34mm stainless steel watch powered by an ETA caliber 955.412 automatic movement, featuring hours, minutes, seconds and date functions. Part of the Jazzmaster collection launched in 1958, it embodies Bauhaus design principles with restrained proportions and functionalist aesthetics. The 18mm lug width requires careful strap selection to maintain visual balance with the case diameter.

Frequently asked questions

What is the lug width of the Hamilton Jazzmaster H32351915?

The lug width of the Hamilton Jazzmaster H32351915 is 18 millimetres. This measurement is essential for selecting a compatible strap and ensuring balanced proportions between the case and the band. Always verify that your chosen strap is specific to 18mm lugs, as even a few millimetre error will compromise the watch's aesthetic harmony.

What type of strap is recommended for the Hamilton Jazzmaster H32351915?

For the Jazzmaster H32351915, shell cordovan or vegetable-tanned leather straps are ideal, developing natural patina over time. A sportier alternative is a NATO strap in cordura fabric, whilst rubber FKM ensures comfort in humid environments. Avoid synthetic leathers and overly glossy finishes, which contradict the watch's classic character.

How do you change the strap on the Hamilton Jazzmaster H32351915?

To change the strap, use a spring bar tool to compress the spring bar pins at the lugs. Insert the tool into one of the lateral holes in the case to compress the pin, then remove the old strap. Position the new strap by aligning its holes with the pins and release the tool. Repeat for the other pin. A jeweller or specialised atelier can perform this if you prefer expert precision.

Is an aftermarket strap compatible with the Hamilton Jazzmaster H32351915?

Yes, any quality strap or band with an 18mm lug width is compatible with the Jazzmaster H32351915. Always verify the width is correct and that the holes align with the case pins. Artisanal aftermarket straps often offer superior quality and customisation options impossible from official manufacturers.

How long does a leather strap last on the Hamilton Jazzmaster H32351915?

A quality leather strap—shell cordovan or vegetable-tanned—typically lasts 5-7 years with daily wear and proper maintenance. Longevity depends on leather quality, humidity exposure and perspiration. A well-maintained shell cordovan strap can exceed 10 years. Periodic conditioning with natural balms extends the strap's lifespan considerably.

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