Technical Archive

Hamilton
Jazzmaster H32495913— lug 20mm

Hamilton Jazzmaster H32495913: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Jazzmaster Lady Automatic 37mm

Artisanal Note

"This model requires a precise 20mm lug width to preserve the original sartorial balance."

Technical Specifications

Hamilton H32495913
Lug Width
20 mm

The essential strap measurement.

Browse 20mm straps →
Reference

H32495913

Movement

ETA caliber 2824-2 Hours, Minutes, Seconds | Date

The Heritage

The Hamilton Jazzmaster H32495913 is a 37mm automatic watch with a stainless steel case and ETA caliber 2824-2 movement, featuring hours, minutes, seconds, and date functions. Part of the historic Jazzmaster collection launched in the 1950s, this model represents the synthesis of Swiss precision and American design heritage. The 20mm lug width is proportionally calibrated for optimal visual balance with the 37mm case diameter.

FAQ

What is the lug width of the Hamilton Jazzmaster H32495913?

The lug width of this model is 20mm. This measurement is specifically calibrated for the proportions of the 37mm case and ensures a visually balanced fit. To measure it correctly, insert a flexible ruler between the lug pins, perpendicular to the case.

What is the best strap for the Hamilton Jazzmaster H32495913?

It depends on the use: a brown or black calf leather strap emphasizes the formal character of the Jazzmaster, ideal for professional settings. A gray or dark blue NATO strap adds versatility and practicality. In summer, an FKM rubber strap keeps the model fresh. We always recommend prioritizing thickness and texture that highlight the case design.

How do you change the strap on a Hamilton Jazzmaster?

Use a spring bar tool to push the lug pins from one side to the other. The procedure is simple: place the watch on a soft surface, position the tool in the pin slot and apply gentle pressure. Remove the old strap, then insert the pins into the new one. Avoid sudden movements to prevent scratching the case.

Can I use an aftermarket strap on this watch?

Absolutely yes. A 20mm aftermarket strap is perfectly compatible with the H32495913. The important thing is that the strap respects the proportions of the case and is constructed with quality materials: vegetable tanned leather, NATO in ballistic nylon, or FKM rubber. A handcrafted strap also allows you to customize the final aesthetics of the watch.

How long does a leather strap last on this watch?

A good quality vegetable tanned leather strap lasts on average 2-3 years with moderate daily use. The duration depends on exposure to humidity, sweat, direct sunlight and frequency of use. Vegetable tanned leather tends to patina and darken over time, gaining character. Regular maintenance (cleaning with a damp cloth, neatsfoot oil treatments) extends the life of the strap. For those who do not want this maintenance, rubber and NATO offer greater longevity.