Hamilton · Ventura

Strap for Ventura Automatic Gents Stainless Steel / Mahogany

Takes 21 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width21 mm
Case diameter35 mm
ReferenceH24515591
FamilyVentura
MovementETA caliber 2824-2 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 Ventura H24515591

Selected for the 21 mm lug width · workshop selection

All 21 mm straps →

The Ventura H24515591, seen from the bench

The Hamilton Ventura H24515591 is an automatic wristwatch featuring a distinctive asymmetrical shield-shaped stainless steel case with a diameter of 34.70 mm and a case thickness of 7.90 mm. It houses the ETA 2824-2 caliber movement with hours, minutes, seconds, and date functions. The watch has a 21 mm lug width and is equipped with a sapphire crystal and lateral crown, characteristic of the Ventura collection that debuted in 1957.

Frequently asked questions

What is the exact lug width of the Hamilton Ventura H24515591?

The lug width of the Hamilton Ventura H24515591 is 21 millimetres. This measurement represents the distance between the two attachment holes on the case where the strap connects. It is crucial to measure directly on the holes whilst keeping the calliper parallel to the dial to ensure absolute compatibility with aftermarket straps.

What is the best strap for the Hamilton Ventura H24515591?

The Ventura H24515591 pairs exceptionally well with straps crafted from alligator leather or vegetable-tanned calf, which amplify the watch's formal elegance. For greater versatility, NATO straps in ballistic canvas offer contemporary style and practicality. Your choice depends on intended use—formal, daily wear, or sport. The 21mm width allows seamless transitions between different materials.

How do you change the strap on the Hamilton Ventura H24515591?

To change the strap, you'll need a spring bar removal tool or a small screwdriver. Insert the tool into the gap between the case and strap, gently pressing inward to release the spring bar from the holes. Repeat on the other side. To fit the new strap, align the lugs with the holes and press until you hear the spring bar click into position. This procedure takes minutes and requires no technical expertise.

Is an aftermarket strap compatible with the Hamilton Ventura H24515591?

Absolutely. Any strap with a 21-millimetre lug width is fully compatible with the Ventura H24515591. High-quality aftermarket straps—vegetable-tanned leather, FKM rubber, ballistic canvas—often offer superior craftsmanship compared to original straps whilst maintaining complete functionality and compatibility. The 21mm width is a widely available standard in the aftermarket.

How long does a leather strap last on the Hamilton Ventura H24515591?

The lifespan of a leather strap depends on intensity of use, maintenance, and tanning quality. A high-quality vegetable-tanned leather strap typically lasts 4–6 years with daily wear. Factors such as perspiration, humidity exposure, and insufficient maintenance reduce longevity. To extend its life, occasionally apply a natural leather balm and store the watch in dry conditions. A rubber or NATO strap, conversely, resists degradation for 8–10 years without special intervention.

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