Hamilton
Jazzmaster H32311135— lug 20mm
Hamilton Jazzmaster H32311135: 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 H32311135The essential strap measurement.
Browse 20mm straps →H32311135
ETA caliber 955.412 Hours, Minutes, Seconds | Date
The Heritage
Compatible Straps
Selected for the 20mm lug width of the Jazzmaster
FAQ
What lug width does the Hamilton Jazzmaster H32311135 have?
The Hamilton Jazzmaster H32311135 is equipped with a standard 20mm lug width. This measurement refers to the distance between the inner lugs of the case and is essential for selecting compatible straps. We recommend manually verifying this dimension with a digital caliper before ordering an aftermarket strap to ensure perfect fit and avoid stress on the lugs.
What strap do you recommend for the Hamilton Jazzmaster H32311135?
Vegetable-tanned leather aged in open vats represents the most versatile solution for this watch: it develops natural patina over time, resists daily wear, and adapts to both formal and casual contexts. For alternatives, a navy or grey NATO strap introduces sporty vibrancy, while alligator leather suits formal evening occasions. The choice depends on your primary use: daily, formal, or mixed.
How do you change the strap on the Hamilton Jazzmaster H32311135?
Strap replacement requires a spring bar tool (a small instrument available online). Insert the forked tip of the tool into the lug slots, gently push inward to retract the spring bar, and slide the old strap out of its seat. Repeat the reverse operation with the new strap. If you are not experienced, the Atelier Casati Milano offers replacement service at our location by appointment.
Is a 20mm strap universal for all watches?
No. The 20mm lug width is a common standard, but not universal. Many sports watches use 22mm or 24mm, while more compact dress watches may require 18mm. It is essential to always verify the specific lug width of your model. We recommend contacting us if you have any doubts: a measurement error results in incompatibility and damage to the lugs.
How long does a leather strap last on the Jazzmaster H32311135?
A quality watchmaking leather strap, with proper maintenance, maintains structural functionality for 3-5 years of daily use. Visible wear (patina, minor scuffing) begins after 8-12 months, but this does not compromise performance. We recommend periodically rotating the strap if you own multiple watch straps, and protecting the leather from excessive moisture and prolonged sun exposure. A treatment with natural water-repellent wax every 6 months significantly extends durability.