Hamilton · Jazzmaster

Strap for Jazzmaster Thinline Quartz 42 Stainless Steel / Black / Bracelet

Takes 22 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width22 mm
Case diameter42 mm
ReferenceH38511133
FamilyJazzmaster
MovementETA caliber F06.111 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 H38511133

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Jazzmaster H38511133, seen from the bench

The Hamilton Jazzmaster H38511133 is a 42mm stainless steel watch from the iconic Jazzmaster collection, born in the 1950s. It features an ETA caliber F06.111 automatic Swiss movement providing hours, minutes, seconds and date. The 22mm lug width maintains classical proportions for this generously-sized case, balancing visual weight without sacrificing wrist presence.

Frequently asked questions

What is the exact lug width of the Hamilton Jazzmaster H38511133?

The Hamilton Jazzmaster H38511133 features a lug width of 22mm, which is the space between the pins that secure the strap. This dimension is critical for compatibility with aftermarket straps: a 22mm lug width must fit with millimetre precision into the case lugs. Always verify the measurement before ordering a strap, as even 1mm difference would result in improper fitting.

Which artisanal strap is best suited for the Hamilton Jazzmaster H38511133?

The best strap depends on intended use and personal preference. For formal elegance: alligator leather or vegetable-tanned calf in cognac brown or black. For classical sportiness: NATO strap in canvas or nylon. For everyday versatility: vegetable-tanned calf that develops natural patina over time. Milano Straps offers <a href="https://milanostraps.it/collections/cinturini-orologi-per-misura-ansa-22mm">22mm straps</a> in all these options, fully customisable to your specifications.

How do you change the strap on a Hamilton Jazzmaster H38511133?

To change the strap you will need: a spring bar tool and a stable work surface. Position the watch with the lug facing upward, locate the small holes at the sides of the lug, insert the tip of the spring bar tool into one hole to push the pin downward, remove the old strap, align and insert the new strap through both lug holes, and repeat on the opposite side. Perform this operation carefully to avoid scratching the case. If you are inexperienced, Casati Milano offers professional strap changing with expert consultation in their atelier by appointment.

Is an aftermarket strap compatible with the Jazzmaster H38511133?

Yes, provided the lug width is exactly 22mm. Any commercial strap with 22mm lugs is physically compatible with the H38511133. The quality of fit and durability depend on the material chosen: vegetable-tanned leather, alligator, and shell cordovan ensure decade-long longevity; NATO and synthetic nylon offer practicality with periodic renewal recommended. Always verify technical specifications before ordering.

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

An artisanal leather strap (calf, alligator, shell cordovan) lasts approximately 4–7 years with daily use, provided basic maintenance is observed: protection from prolonged immersion and chemical agents, natural air-drying after moisture exposure, and occasional conditioning with specialist creams. The natural patina that develops is not wear but character of the material. A NATO strap typically lasts 2–3 years before replacement is advisable. Milano Straps offers professional replacement at reasonable cost through Casati Milano atelier by appointment.

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