Hamilton
Intra-Matic H38426820— lug 20mm
Hamilton Intra-Matic H38426820: 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 H38426820The essential strap measurement.
Browse 20mm straps →H38426820
Hamilton caliber H-31 Hours, Minutes, Small Seconds | Date | Chronograph
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 H38426820?
The H38426820 features a lug width of 20mm. This measurement should be verified using a calliper positioned between the spring-bar pins inside the case, from shoulder to shoulder. Accurate measurement is essential to ensure strap compatibility and avoid ordering incorrect dimensions.
What is the best strap for the Hamilton Intra-Matic H38426820?
The choice depends on intended use and aesthetic preference. For vintage authenticity, we recommend alligator with fine grain in dark brown or mahogany red. For daily versatility, calf leather with vegetable tanning ages beautifully. For practicality, a cotton NATO in dark blue or black maintains the chronograph's tool-watch identity. Vulcanised rubber is ideal for warm climates.
How do I change the strap on my Hamilton Intra-Matic H38426820?
Use a spring-bar tool designed for this purpose. Position the thin end beneath the spring, gently push inward to disengage the pin, and withdraw the old strap. Repeat on the opposite lug. To install the new strap, insert one end first, then compress the spring with the tool to pass the other end through.
Which aftermarket strap is most compatible with the H38426820 model?
Any strap with a 20mm lug width is compatible. Milano Straps supplies options in alligator, vegetable-tanned calf, NATO, and rubber, all certified for this measurement. Always verify the lug width reference before ordering to prevent incompatibility.
How long does a leather strap last on a chronograph like the H38426820?
Durability varies according to material and usage patterns. High-quality alligator or vegetable-tanned calf typically lasts 3–5 years with daily wear. Vulcanised rubber generally lasts 2–3 years. Leather ages gracefully, developing patina, which is not a defect but part of the watch's narrative. Regular maintenance—cleaning and occasional conditioning—extends strap longevity.