Hamilton · Jazzmaster

Strap for Jazzmaster Petite Seconde

Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width20 mm
Case diameter40 mm
ReferenceH32555135
FamilyJazzmaster
MovementETA caliber 2895-2 hours, minutes, small 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 H32555135

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Jazzmaster H32555135, seen from the bench

The Hamilton Jazzmaster H32555135 is a 40mm stainless steel watch featuring the ETA 2895-2 automatic movement with 25 jewels and 28,800 vph, offering 42 hours power reserve. The dial displays baton indices, Mercedes hands, and window date at 3 o'clock. Water resistant to 30 metres and approximately 10mm thick, it belongs to the classic Jazzmaster collection. Strap width: 20mm.

Frequently asked questions

What is the lug width of the Hamilton Jazzmaster H32555135?

The lug width of the H32555135 is 20mm. This measurement represents the distance between the two spring bars protruding from the case and is the fundamental parameter for selecting a compatible strap. Measure your watch case opening carefully to ensure your new strap fits perfectly without gaps or compression.

Which leather strap pairs best with the Hamilton Jazzmaster H32555135?

We recommend a polished black alligator strap to emphasise the modernity of the stainless steel case, or a cognac calf with vegetable tanning for a contemporary-vintage approach. A light brown English leather with natural patina communicates elegance and noble ageing. Your choice depends on your intended use and personal style.

How do I change the strap on a Hamilton watch with a 20mm lug width?

The process requires a simple tool called a spring bar tool. Insert the tool's tip into the small lateral space between the lug and the spring bar, apply gentle pressure to retract the inner pin, and slide the old strap outward. Repeat on the opposite side. Next, insert the new strap by aligning the holes with the pins and gently retract the pin with the tool until the strap clicks into place.

Can I fit an aftermarket strap on this Hamilton Jazzmaster?

Yes, provided the strap has a 20mm lug width. Always verify compatibility before purchase, as even minor differences can compromise fit. The artisanal straps offered by milanostraps.it are specifically calibrated for this measurement and guarantee precise mounting without additional case modifications.

How long does a natural leather strap with vegetable tanning last?

A high-quality artisanal leather strap with vegetable tanning has an average lifespan of 5-7 years under normal use conditions, with variations based on frequency of wear and climate conditions. Vegetable tanning offers greater longevity than chrome tanning and develops a fascinating patina over time. Avoid prolonged exposure to water and direct sunlight to preserve structural integrity.

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