Hamilton · Jazzmaster

Strap for Jazzmaster Viewmatic 40 Stainless Steel / Blue / Bracelet

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
ReferenceH32515145
FamilyJazzmaster
MovementETA caliber 2824-2 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 H32515145

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Jazzmaster H32515145, seen from the bench

The Jazzmaster represents one of Hamilton's contemporary collections, characterized by elegant lines and essential functionalities. It features the automatic ETA 2824-2 caliber with hour, minute, second and date indication. The reference H32515145 features standard 20mm lugs.

Frequently asked questions

What is the lug width of the Hamilton Jazzmaster H32515145?

The lug width of the Hamilton Jazzmaster H32515145 is 20mm. This is the distance between the two attachment points on the case where the strap is fastened. It is essential to verify that any aftermarket strap is compatible with this exact measurement to ensure a flush fit without lateral protrusion.

Which strap is best suited for the Hamilton Jazzmaster H32515145?

The Hamilton Jazzmaster H32515145, thanks to its elegant and versatile profile, pairs exceptionally well with premium leather straps: vegetable-tanned alligator, calf leather, or shell cordovan are choices that enhance the harmony of the watch's proportions. For daily casual wear, technical NATO textile straps or fluoroelastomer rubber guarantee practicality and durability.

How do you change the strap on a Hamilton Jazzmaster H32515145?

To change the strap, use a spring bar tool. Position yourself on a well-lit, flat surface. Locate the spring bar on one side of the case, gently place the tool's tip into the groove to release tension, then remove the spring bar. Repeat on the opposite side. Insert the new strap into the attachment points in reverse sequence, ensuring symmetrical mounting.

Can an aftermarket strap be fitted to a Hamilton Jazzmaster H32515145?

Yes, the H32515145 is fully compatible with artisanal 20mm aftermarket straps produced by ateliers such as Casati Milano. It is essential to purchase straps specifically manufactured for this lug width. Always verify that the strap features a deployante clasp or original fastening system to guarantee security and wrist comfort.

How long does a leather strap last on a Hamilton Jazzmaster H32515145?

Strap longevity depends on material and usage patterns. A well-maintained vegetable-tanned leather strap can last 3-5 years with daily wear, developing a patina of character over time. Shell cordovan, being more resilient, can extend to 7-10 years. Regular maintenance—gentle cleaning, controlled sun exposure, and storage in dry environments—significantly extends lifespan.

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