Hamilton · Ventura

Strap for Ventura S Quartz 34.5 Stainless Steel / White 3D

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

Lug width17 mm
Case diameter35 mm
ReferenceH24251310
FamilyVentura
MovementETA caliber 956.112 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

The Ventura H24251310, seen from the bench

The Ventura was introduced by Hamilton in 1957 as the world's first electric watch with an asymmetrical triangular case. It is powered by the ETA 956.112 quartz caliber with hour, minute, second and date indications. The lugs measure 17mm in width.

Frequently asked questions

What is the lug width of the Hamilton Ventura H24251310?

The Hamilton Ventura H24251310 features a lug width of 17 mm. This measurement is specific to the model and requires straps compatible with this exact dimension. Accurately measuring the lug width before purchasing a replacement strap is essential to ensure proper fitment to the case lugs.

What is the best strap for the Hamilton Ventura H24251310?

The optimal strap choice depends on intended use. For formal occasions, alligator leather in black or cognac brown accentuates the case's asymmetrical geometry. For daily versatility, vegetable-tanned calf offers noble patina development over time. For sports contexts, a NATO strap in technical canvas or a rubber strap provides durability and practicality. The selection should reflect visual dialogue between strap and the Ventura's distinctive form.

How do I change the strap on the Hamilton Ventura H24251310?

Strap replacement involves extracting the spring bars that connect the strap to the case lugs. Use a dedicated spring bar tool or thin implement to apply downward pressure on one spring bar at a time, releasing the strap from one side. Insert the new strap in the same manner, ensuring the spring bars lock correctly into the case attachments. Perform this operation on a soft surface to prevent scratching.

Is an aftermarket strap compatible with the Ventura H24251310?

Yes, any strap with a 17 mm lug width is compatible with the Ventura H24251310. Quality aftermarket straps—alligatore, calf leather, NATO, rubber—represent a conscious choice for personalising the timepiece whilst maintaining aesthetic coherence. Always verify that the strap is manufactured with spring bars of appropriate thickness for Hamilton case attachments.

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

A quality leather strap (alligator or vegetable-tanned calf) typically lasts 3-5 years with regular use, extending to 7-8 years with preventive maintenance. Factors such as humidity exposure, frequency of strap changes, and protection from liquids influence longevity. Rubber and NATO straps generally demonstrate superior resistance, reaching 5-10 years of service.

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