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Hamilton · Intra-Matic

Strap for Intra-Matic 42 Yellow Gold / Brown

Takes 22 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width

22mm
22 mm strapsAll Hamilton
Lug width22 mm
Case diameter42 mm
ReferenceH38735501
FamilyIntra-Matic
MovementETA caliber 2892-A2 hours, minutes, seconds | date
Year2020
CaseStainless Steel

Spring bar

Swiss Standard universal spring bars

The right category for this model · 316L steel, all lug widths 13–26 mm

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Straps for the Intra-Matic H38735501

Selected for the 22 mm lug width · workshop selection

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The Intra-Matic H38735501, seen from the bench

The Hamilton Intra-Matic H38735501 is a 42mm stainless steel chronograph with a refined aesthetic rooted in 1968 design principles. Powered by the ETA 2892-A2 automatic Swiss movement, it features hours, minutes, seconds, and a date window on a legible dial. The case offers water resistance to 100 metres with a screw-down crown. The 22mm lug width is precisely measured between the spring bar pins, ensuring proper strap compatibility and visual balance on the wrist.

Frequently asked questions

What is the lug width of the Hamilton Intra-Matic H38735501?

The H38735501 features a <a href="/pages/termine-glossario/misura-ansa">lug width</a> of 22mm. This measurement refers to the distance between the spring bar attachment points on the case lugs, not the superficial width of the strap. Verifying this specification is essential before purchasing an aftermarket strap to avoid misalignment and attachment issues.

Which strap is ideal for the Hamilton Intra-Matic H38735501?

A strap crafted from <a href="/pages/termine-glossario/concia-vegetale">vegetable-tanned leather</a> represents the most coherent choice with the sportive-elegant character of the H38735501. Colours such as Honey and Tobacco create visual equilibrium with the black dial and stainless steel case. Alternatively, a high-density canvas NATO ensures versatility and practicality for everyday wear.

How do you change the strap on the Hamilton Intra-Matic H38735501?

Strap replacement requires a specific tool to remove the spring bars securing the strap to the case lugs. Position the watch on a stable surface, locate the small holes at the lug extremities, and use a spring bar removal tool to extract the pins. Once the pins are removed, slide off the old strap and insert the new one, ensuring the spring bars lock correctly in both lug holes.

Are aftermarket straps compatible with the Hamilton Intra-Matic H38735501?

Yes, all straps with a <a href="/pages/termine-glossario/misura-ansa">22mm lug width</a> are compatible with the H38735501. Ensure the strap is equipped with suitable spring bars (standard 1.8mm diameter for most models) and that the strap width does not exceed 24mm to guarantee harmonious aesthetics.

How long does a vegetable-tanned leather strap last on a watch like the Intra-Matic?

A quality <a href="/pages/termine-glossario/concia-vegetale">vegetable-tanned leather</a> strap can last 3 to 5 years under daily wear conditions, provided it receives regular maintenance. Avoid prolonged moisture exposure, periodically clean the leather with a dry cloth, and occasionally apply natural oils to preserve flexibility. The patina that develops over time is a prized characteristic, not a defect.

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