Hamilton
Intra-Matic H38455131— lug 20mm
Hamilton Intra-Matic H38455131: 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 H38455131The essential strap measurement.
Browse 20mm straps →H38455131
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 H38455131?
The Hamilton Intra-Matic H38455131 features a 20mm lug width. This measurement is specific to the model and determined by the proportion between the case diameter (38mm) and the crown architecture. To verify it precisely, measure the distance between the two attachment pins at the case ends using a digital caliper.
Which strap is best suited for the Hamilton Intra-Matic H38455131?
The choice depends on your use and aesthetic preference. Alligator or calf leather pair beautifully with the watch's vintage-modern character, lending sophistication. Cotton NATO recalls the brand's military heritage, while vulcanized rubber ensures maximum practicality in dynamic contexts. All materials must have a 20mm width.
How do you change the strap on the Hamilton Intra-Matic H38455131?
The process is straightforward: use a dedicated tool to remove the attachment pins (spring bars) located at the case ends. Remove the old strap, reinsert the pins into the new strap ensuring they are firmly secured, and verify the strap is correctly seated in the case. If you are not experienced, Atelier Casati Milano offers strap-change service by appointment.
Can I use an aftermarket strap on this watch?
Yes, any 20mm strap is compatible with the Intra-Matic H38455131. Milano Straps artisanal straps are constructed to the same quality standards as the luxury market and fit perfectly with the watch's vintage design, further enhancing its versatility.
How long does a leather strap last on the Hamilton Intra-Matic H38455131?
Durability depends on intensity of use and climatic conditions. A quality artisanal calf or alligator strap lasts an average of 2-4 years with moderate daily use. Prolonged exposure to humidity or sunlight reduces longevity; leather naturally softens over time, developing character. Periodically clean the strap with a soft brush and store it away from heat sources.