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
ReferenceH32555735
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 H32555735

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Jazzmaster H32555735, seen from the bench

The Hamilton Jazzmaster H32555735 is a contemporary evolution of an American sports timing icon born in the 1960s as an official chronograph for U.S. automotive competitions. This 40mm stainless steel model features the ETA 2895-2 automatic movement regulating hours, minutes, small seconds, and date. The brushed stainless steel case develops a natural patina over time, while the sapphire crystal and screw-down crown ensure scratch resistance and water resistance to 100 meters. The 20mm lug width is standard for this family and proportionate to the 40mm case diameter.

Frequently asked questions

What is the exact lug width of the Hamilton Jazzmaster H32555735?

The lug width of the H32555735 is 20mm. This measurement refers to the internal distance between the lugs (the side bars of the case). Any compatible strap must be exactly 20mm wide to fit properly onto the lugs. Always verify this measurement before purchasing an aftermarket strap.

What is the best strap to pair with the Hamilton Jazzmaster H32555735?

The optimal strap choice depends on intended use and aesthetic preference. For formal wear, we recommend alligator in dark brown or cognac, or black shell cordovan. For daily use, full-grain vegetable-tanned leather offers excellent patina development and sustainability. For summer or sport use, NATO straps in technical fabric or vulcanised rubber provide practicality and moisture resistance.

How do I change the strap on the Hamilton Jazzmaster H32555735?

Strap replacement is straightforward: use a spring bar tool to compress the pins (spring bars) securing the strap to the lugs. Once compressed, the pins will extract easily. Align the new strap's holes with the lugs and release the pins. Ensure the strap is properly centred. For your first change, we recommend professional assistance from a qualified watchmaker.

Can I use an aftermarket strap on this model?

Yes, provided it has the correct 20mm lug width. Atelier Casati Milano manufactures custom straps fully compatible with the H32555335. Quality aftermarket straps often exceed OEM specifications in finishing and materials, with extensive personalisation options (colour, tanning method, buckle style).

How long does a leather strap last on a watch like the H32555735?

Lifespan depends on material, usage intensity and care regimen. Alligator or full-grain vegetable-tanned straps typically last 3–5 years with moderate daily wear. Factors including humidity, perspiration and sun exposure accelerate ageing. Proper drying after water contact and occasional cleaning with leather-specific detergents significantly extend strap 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.

Request an appointment →

Casati Milano · Via XX Settembre 15, Milan · by appointment only