Hamilton · Ventura

Strap for Ventura Gents Yellow Gold / Silver / Bracelet

Takes 17 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width17 mm
Case diameter32 mm
ReferenceH24301111
FamilyVentura
MovementETA caliber F05.111 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

The Ventura H24301111, seen from the bench

The Hamilton Ventura H24301111 is a square stainless steel watch with a 32.30 mm case diameter, launched in 1957. It features the ETA F05.111 manual movement with hours, minutes, seconds and date window. The 17 mm lug width is designed proportionally to the case geometry and must be measured precisely between the inner edges of the lugs for correct strap compatibility.

Frequently asked questions

What is the lug width of the Hamilton Ventura H24301111?

The lug width of the Hamilton Ventura H24301111 is 17 mm. This measurement represents the internal distance between the two lugs of the case and is the mandatory standard for any compatible strap. Always measure perpendicularly to the case lugs, at the exact point where the lug pin inserts.

Which strap do you recommend for the Hamilton Ventura H24301111?

We recommend three options depending on intended use: an alligator or quality calf leather strap for a classic, refined approach; a NATO canvas strap to maintain the model's aviator heritage; a vulcanised rubber strap with deployant clasp for contemporary versatility. Your choice depends on your usage context and personal aesthetic preferences.

How do I change the strap on my Ventura H24301111?

Obtain a quality spring bar tool for pin extraction. Place your watch on a stable surface and protect the case with a soft cloth. Insert the tool underneath the spring, apply gentle downward and lateral pressure to extract the pin. Repeat on the opposite side. For the new strap, insert the pin into the lateral holes, ensuring it is fully seated in the spring recess. If you prefer, entrust the task to a professional watchmaker to guarantee precision.

Can I use an aftermarket strap on my Ventura H24301111?

Yes, provided the lug width is exactly 17 mm. Quality aftermarket straps offer identical mechanical compatibility to original Hamilton straps. Always verify that the manufacturer certifies the precise lug width before purchase, as even half a millimetre difference will compromise pin seating.

How long does a leather strap last on the Ventura H24301111?

Lifespan varies according to material and usage patterns. A quality artisanal alligator or vegetable-tanned calf strap, under moderate daily wear, will maintain optimal functionality for 5–7 years before replacement is necessary. Vulcanised rubber of quality offers greater longevity (8–10 years), whilst NATO canvas straps provide even superior durability. Exposure to water, sunlight and perspiration accelerates degradation; regular maintenance (gentle cleaning, leather conditioning) extends the strap's useful life.

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