Hamilton · Jazzmaster

Strap for Jazzmaster Thinline Small Second Quartz Stainless Steel / Grey

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
ReferenceH38411580
FamilyJazzmaster
MovementETA caliber 980.163 Hours, Minutes, Small Seconds
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 H38411580

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Jazzmaster H38411580, seen from the bench

The Hamilton Jazzmaster H38411580 is a 40 mm stainless steel sports watch featuring an ETA 980.163 automatic movement with hours, minutes, and small seconds display. The cylindrical case design reflects the brand's aviation heritage and chronograph tradition. The 20 mm lug width is calculated to maintain optical proportions on the 40 mm case diameter, ensuring balanced visual harmony and compatibility with aftermarket straps.

Frequently asked questions

What is the lug width of the Hamilton Jazzmaster H38411580?

The lug width of the Hamilton Jazzmaster H38411580 is 20 millimetres. This means the strap must have lugs exactly 20mm wide to fit correctly onto the case lugs. Always verify the measurement between the two lugs before purchasing an aftermarket strap.

What is the best strap for the Hamilton Jazzmaster H38411580?

There is no universally 'best' choice, only optimal selections depending on intended use. For formal or semi-dress contexts, an alligator strap with vegetable tanning emphasises the cylindrical case elegance. For daily versatility, an aniline calf leather in brown or black develops natural patina over time. For sporting activities or humidity exposure, a textile NATO or FKM rubber guarantees maximum practicality without aesthetic compromise.

How do you change the strap on the Hamilton Jazzmaster H38411580?

Strap replacement requires no specialised tools. Position the watch on a soft support with the lugs facing upward. Use a spring bar tool to compress the small internal spring on the pin, then extract the pin from the first lug. Repeat for the second pin. Insert the new pins into the compatible 20mm strap and position them in the lugs, ensuring the internal spring engages correctly. If you lack an extraction tool, consult a professional watchmaker.

Which aftermarket straps are compatible with the H38411580?

All watch straps with a 20mm lug width are compatible with the Hamilton Jazzmaster H38411580. Ensure the strap has a width of exactly 20 millimetres measured between the two lugs. Straps offered by milanostraps.it for this lug width guarantee compatibility without error and are crafted from premium materials: leather, NATO, rubber.

How long does a leather strap last on the H38411580?

Leather strap longevity varies depending on material quality, tanning method, and wear frequency. High-quality leather subjected to daily wear maintains structure and flexibility for 24-36 months before developing critical creasing. Vegetable tanning extends service life through patina reversibility and natural absorption of skin oils. High humidity conditions or constant sun exposure reduce durability. Regular maintenance with specialised leather creams significantly extends strap 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.

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