Hamilton · Broadway

Strap for Broadway Day Date Quartz Steel / Grey / Bracelet

Takes 18 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width18 mm
Case diameter40 mm
ReferenceH43311135
FamilyBroadway
MovementETA caliber 955.112 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 Broadway H43311135

Selected for the 18 mm lug width · workshop selection

All 18 mm straps →

The Broadway H43311135, seen from the bench

The Hamilton Broadway features the ETA 955.112 quartz caliber with hours, minutes, seconds and date indication. The watch has 18mm lugs for the strap. The movement ensures the essential time reading functions with a date complication.

Frequently asked questions

What is the lug width of the Hamilton Broadway H43311135?

The H43311135 features an 18mm lug width, a relatively uncommon dimension in contemporary watch markets. This measurement refers to the internal distance between the two lugs of the case and is the critical parameter for strap selection. With an 18mm lug width, standard 20mm or 22mm straps cannot be fitted without adapters, necessitating a custom solution.

What is the best strap for the Hamilton Broadway H43311335?

The optimal strap depends on intended use. For formal contexts, an alligator or aged calf leather strap with a deployante clasp is superior. For everyday versatility, vegetable-tanned leather in medium brown develops desirable patina over time and offers excellent comfort. A grey or brown NATO strap works well for casual summer transitions. Construction quality and adherence to the 18mm lug width remain paramount selection criteria.

How do you change a strap on a Hamilton watch?

Strap replacement on a Hamilton occurs via spring bars that connect the strap to the case lugs. Procedure: remove the watch and place it on a soft surface. Using a spring bar tool or flat implement, gently press inward on one spring bar until it disengages. Remove the old strap. Insert the new strap by aligning the lug hole, then press the spring bar until it clicks into position. Repeat on the opposite side. Verify the strap is secure before wearing.

Are there compatible aftermarket straps for the H43311135?

Yes, with an important caveat: the 18mm lug width is specific, so not all aftermarket straps are directly compatible. Many manufacturers produce standard straps in 20mm or 22mm. Specialist artisans, however, produce custom 18mm straps in leather, alligator, NATO, and rubber. Always confirm compatibility with the supplier before purchase and verify that the strap is constructed to the exact lug width specification.

How long does a leather strap last on a watch like the H43311135?

Leather strap lifespan depends on material quality, frequency of wear, and maintenance. A quality vegetable-tanned calf strap may last 3-5 years with regular use, developing desirable patina over time. Leather deteriorates when exposed to prolonged moisture and excessive perspiration, reducing lifespan to 1-2 years. Premium aged calf can exceed five years of service. Periodic replacement is advisable for aesthetic reasons, as leather inevitably evolves. Store the strap in a dry location when unworn and clean regularly to extend longevity significantly.

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