Hamilton
Intra-Matic H38416560— lug 20mm
Hamilton Intra-Matic H38416560: 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 H38416560The essential strap measurement.
Browse 20mm straps →H38416560
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 exact lug width of the Hamilton Intra-Matic H38416560?
The Hamilton Intra-Matic H38416560 is fitted with a 20mm lug width. This measurement refers to the internal distance between the case lugs (spring bar attachments). To verify, use a calliper positioned between the upper rivets of the case—the result must be exactly 20mm. No tolerance exists: an 18mm strap will be loose, a 22mm strap impossible to install.
Which strap material is recommended for the Hamilton Intra-Matic H38416560?
For the H38416560, we recommend three primary options: 1) Alligator with vegetable tanning for aesthetic longevity and patina development; 2) Chromium-tanned calf in dark shades for structural rigidity and daily wearability; 3) NATO in cotton-silk weave for sportive versatility. Natural vulcanised rubber is ideal for humid environments or dynamic activities. Material choice depends on intended use and desired aesthetic context.
How do I change the strap on the Hamilton Intra-Matic H38416560?
The strap is replaced via spring bars (bayonet-mounted springs) connecting the strap to the case lugs. Equip yourself with a spring bar tool: insert the flat tip beneath the spring from the interior, applying gentle upward pressure to release the lower lug. Repeat on the upper lug. Reverse the procedure to install the new strap, ensuring both springs are fully anchored.
Can I mount a compatible aftermarket strap on my H38416560?
Yes, any strap with a 20mm lug width is compatible. Milanostraps supplies bespoke leather, NATO, and rubber straps specifically for this measurement. Before purchase, verify compatibility by measuring your case lug width or consulting our 20mm catalogue. Quality aftermarket straps often provide superior durability and customisation compared to original equipment.
How long does a leather strap last on the Hamilton Intra-Matic H38416560?
Leather strap lifespan depends on intensity of wear, environmental conditions, and leather grade. A first-quality alligator or calf hide with vegetable tanning withstands approximately 5-7 years with moderate daily wear; exposure to direct sunlight, humidity, and thermal fluctuations reduces this estimate to 3-4 years. Vulcanised rubber exhibits greater longevity (8-10 years). Periodic maintenance (cleaning, conditioning) significantly extends strap life.