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Hamilton · Intra-Matic

Strap for Intra-Matic 68 Auto Chrono Stainless Steel / Green / Mesh

Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width

20mm
20 mm strapsAll Hamilton
Lug width20 mm
Case diameter40 mm
ReferenceH38416160
FamilyIntra-Matic
MovementHamilton caliber H-31 hours, minutes, small seconds | date | Chronograph
Year2021
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 H38416160

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Intra-Matic H38416160, seen from the bench

The Hamilton Intra-Matic H38416160 is equipped with the H-31 caliber with hour, minute, small seconds, date, and chronograph functions. The movement offers time indication with chronograph counters and a date window. The lug width is 20mm.

Frequently asked questions

What is the exact lug width of the Hamilton Intra-Matic H38416160?

The H38416160 requires a lug width of precisely 20.00mm. To verify correctly, use a vernier calliper and measure the internal distance between the springbar holes on the case. This specification is critical for aftermarket strap compatibility.

What is the best strap for the Hamilton Intra-Matic H38416160?

The choice depends on intended use. For formal wear, we recommend alligator or vegetable-tanned calf leather in cognac or dark brown tones. For sporty styling, a charcoal grey NATO or satin-finished FKM rubber. The panda dial requires straps that don't compete visually—avoid bright or saturated colours.

How do I change the strap on an Hamilton Intra-Matic watch?

Position the watch on a stable surface. Use a springbar tool to gently depress the pin and slide out one side of the strap. Repeat for the other side. Insert the new strap by aligning the pins with the lug holes and ensure they click into place. Do not force: pins should seat with gentle pressure only.

Is an aftermarket strap compatible with the H38416160?

Yes, provided the lug width is exactly 20.00mm. Quality aftermarket straps (leather, NATO, rubber) designed for this width are fully compatible. Always verify specifications before purchase and confirm the strap has been tested with 40mm Hamilton models.

What is the lifespan of a leather strap on a Hamilton Intra-Matic?

A quality leather strap (alligator or vegetable-tanned calf) typically lasts 3–5 years with daily wear, and up to 7–10 years with occasional use. Longevity depends on: sun and moisture exposure, cleaning frequency, and tanning type. Keep the strap dry, clean regularly with soft suede, and apply protective balm every 12–18 months.

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