Hamilton · Jazzmaster

Strap for Jazzmaster Performer Auto 38 Stainless Steel / Blue

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

Lug width20 mm
Case diameter38 mm
ReferenceH36215640
FamilyJazzmaster
MovementHamilton caliber H-10 ND hours, minutes, seconds
Year2023
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 H36215640

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Jazzmaster H36215640, seen from the bench

The Hamilton Jazzmaster H36215640 Performer Auto 38 combines Swiss watchmaking heritage with American practicality. This 38mm stainless steel model features a manual H-10 movement with essential time functions and classical proportions without oversized trends. The fixed case back protects the movement while allowing professional inspection, mineral crystal resists daily scratches, and 50-meter water resistance suits accidental splashes and showers. The 20mm lug width follows classic standards from 1960s–70s Hamilton traditions, suitable for both formal and casual wear.

Frequently asked questions

What is the lug width of the Hamilton Jazzmaster H36215640?

The lug width of the H36215640 is 20 millimetres, measured internally between the case attachment pins. This classic standard was widespread on Swiss watches during the 1960s-70s and remains compatible with a broad range of modern artisan straps.

Which strap is ideal for the Hamilton Jazzmaster H36215640?

For the Jazzmaster H36215640, we recommend noble materials such as vegetable-tanned alligator (which develops rich patina over time), hammer-textured calf leather with marked grain, or NATO fabric in cordura for those preferring daily robustness. The choice depends on use context and personal aesthetic preferences.

How do you change the strap on a Hamilton Jazzmaster H36215640?

Use a spring bar tool or small flat-blade screwdriver. Position the watch with the case facing you, locate the elastic pins at the case terminals, insert the tool into the pin slot, lift gently to retract it, and slide the strap upward. Repeat the inverse procedure with the new strap.

Can aftermarket straps be used on the Hamilton Jazzmaster H36215640?

Yes, absolutely. The 20mm lug width is a universal standard, so any artisan strap of this size fits the H36215640 perfectly without modifications. Milanostraps offers a wide selection of compatible straps in various materials and finishes.

How long does a natural leather strap last on a watch like the H36215640?

An authentic leather strap, made with vegetable tanning or shell cordovan, typically lasts 3-5 years of daily use, depending on exposure to perspiration, moisture, and maintenance. Rotation with other straps and periodic cleaning significantly extend longevity.

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