Hamilton · Ventura

Strap for Ventura Gents Yellow Gold / Black / 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
ReferenceH24301131
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 H24301131, seen from the bench

The Ventura was introduced by Hamilton in 1957 as the world's first electric watch with an asymmetric triangular design. It is powered by the ETA F05.111 quartz caliber with hour, minute, second and date indication. The lugs measure 17mm in width.

Frequently asked questions

What is the lug width of the Hamilton Ventura H24301131?

The Hamilton Ventura H24301131 features a lug width of 17 millimetres. This intermediate sizing is specific to the Ventura dress collection and requires dimensionally compatible straps to maintain proper visual fit with the case.

Which strap is recommended for the Hamilton Ventura H24301131?

For the H24301131, we recommend alligator or shell cordovan straps for formal contexts, vegetable-tanned calf for elegant everyday wear, or robust fabric NATO straps for casual versatility. A steel deployante strap represents the metal alternative that echoes the case material.

How do I change the strap on the Hamilton Ventura H24301131?

To change the strap: 1) Locate the lateral case pins; 2) Use a spring bar tool to gently compress the pin; 3) Slide the old strap end away from the pins; 4) Insert the pins into the new strap's holes, ensuring the pin snaps firmly into position. Repeat on both sides.

Can I use an aftermarket strap compatible with the Hamilton Ventura H24301131?

Yes, provided the lug width is precisely 17 millimetres. Straps of other sizes (16mm, 18mm) would create unwanted gaps or case stress. We recommend verifying the internal measurement between pins before purchase to ensure geometric compatibility.

What is the lifespan of a leather strap on the Hamilton Ventura H24301131?

A quality leather strap, when properly maintained, lasts approximately 3–5 years of daily wear, though patina development continues beyond this period. Factors affecting durability include frequency of use, humidity exposure, perspiration, and UV exposure. Minimal maintenance—regular cleaning and annual hydrophobic treatments—significantly extends strap 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