Hamilton
Intra-Matic H38735751— lug 20mm
Hamilton Intra-Matic H38735751: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.
Artisanal Note
"This model requires a precise 20mm lug width to preserve the original sartorial balance."
Technical Specifications
Hamilton H38735751The essential strap measurement.
Browse 20mm straps →H38735751
ETA caliber 2892-A2 Hours, Minutes, Seconds | Date
The Heritage
Compatible Straps
Selected for the 20mm lug width of the Intra-Matic
FAQ
What is the lug width of the Hamilton Intra-Matic H38735751?
The lug width of the H38735751 is exactly 20 millimeters. This measurement is critical for compatibility: a lug that is too narrow (18mm) would create mechanical instability, while one that is too wide (22mm) would result in disproportionate bulk. To measure correctly, position a digital caliper between the two lugs on the case in the internal area, excluding the anchor rings.
What strap is recommended for the Hamilton Intra-Matic H38735751?
The choice depends on the intended use. For formal wear: black or burgundy calf leather with a deployant clasp, which emphasizes the dial and minimizes lug visibility. For a sporty look: grey-blue herringbone NATO, which maintains chromatic consistency with the satin-finished steel case. Red-burgundy alligator leather represents a bolder option, ideal for those who appreciate American luxury watchmaking tradition. Structured black rubber is suited for frequent rotation with other watches.
How do you change the strap on a Hamilton Intra-Matic H38735751?
The strap is removed by pressing the retaining spring located laterally on the case, near the lugs. Use a dedicated spring bar tool to avoid damaging the case side. Insert the tool tip into the lateral opening, push outward to compress the spring, and remove the pin. Repeat from the opposite side. The operation takes only a few seconds and requires no special technical skills.
Is a 20mm aftermarket strap compatible with the H38735751?
Yes, any strap with a 20mm lug width is mechanically compatible. However, aesthetic compatibility requires careful evaluation: strap thickness (typically 4-5mm) should be proportionate to the 42mm cylindrical case; texture (grain, material) should harmonize with the satin-finished stainless steel; color should integrate with the specific dial. Always verify that the total strap length (typically 68-72mm under the wrist) is suitable for your wrist size.
How long does a leather strap last on a Hamilton Intra-Matic H38735751?
The lifespan of a calf or alligator leather strap ranges from 18 to 36 months, depending on daily wear intensity, direct sun exposure, and ambient humidity. A strap worn 5-7 days per week in temperate climate typically wears out in approximately 24 months. The leather darkens with patina and softens progressively; the deployant clasp maintains functionality even after aesthetic deterioration. Replacement is advisable when the leather develops visible cracks on the outer surface or when the loop shows structural failure. A ballistic canvas NATO strap, under the same exposure conditions, lasts 4-6 years.