Hamilton · Jazzmaster

Strap for Jazzmaster Lady Auto 34 Stainless Steel / Silver - Diamond

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
ReferenceH32315811
FamilyJazzmaster
MovementETA caliber 2671 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 H32315811

Selected for the 18 mm lug width · workshop selection

All 18 mm straps →

The Jazzmaster H32315811, seen from the bench

The Jazzmaster represents one of Hamilton's classic lines with a dress watch design. It mounts the ETA 2671 automatic caliber with indication of hours, minutes, seconds and date. The lugs measure 18mm in width.

Frequently asked questions

What is the exact lug width of the Hamilton Jazzmaster H32315811?

The lug width of the Hamilton Jazzmaster H32315811 is 18mm. This measurement refers to the distance between the two lugs where the strap attaches to the case. It is essential to verify this dimension before purchasing an aftermarket strap, as an incompatible lug width will compromise the watch's aesthetics and may cause accelerated wear.

What is the best strap for the Hamilton Jazzmaster H32315811?

The choice depends on intended use. For formal occasions, genuine alligator in black or vegetable-tanned calf maintains the Jazzmaster H32315811's dress-watch character. For versatile daily wear, a cotton NATO or FKM rubber strap offers durability and practicality. Ensure the strap is manufactured for the 18mm lug width specification.

How do I change the strap on a Hamilton Jazzmaster H32315811?

Strap changes require a spring bar tool (or a thin blade), which allows you to depress the small metal pin (spring bar) that secures the strap to the case. Work one side at a time: press the pin inward, extract it slightly, and slide out the old strap's lugs. Insert the new strap, ensuring the spring bar clicks fully into place. If inexperienced, a watchmaker can perform this operation within minutes.

Can I use a third-party strap on my Hamilton Jazzmaster H32315811?

Yes, provided the strap is compatible with the 18mm lug width. Many artisanal manufacturers produce universal straps for this specification. Always verify that the strap is designed specifically for 18mm: the aftermarket offers superior quality straps compared to the original Hamilton strap, with more refined materials and often superior comfort on the wrist.

How long does a leather strap last on a Hamilton Jazzmaster H32315811?

Longevity depends on material quality, frequency of use, and maintenance. A quality vegetable-tanned calf strap typically lasts 3–5 years of regular wear, developing a desirable patina over time. Genuine alligator tends to last longer (5–7 years), whilst a rubber strap maintains elasticity for 2–3 years before hardening. Regular conditioning with purpose-designed products significantly extends usable life.

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