Hamilton watch straps: the right size for every model in our archive

You have a Hamilton on your wrist: perhaps a Khaki Field with 20mm lugs, perhaps a more elegant Jazzmaster. The original strap has served its time, or you are simply seeking something that better tells the story of that watch. In our archive we have catalogued 1143 Hamilton models, so we know at once what size and what lug fitting yours requires, before you even ask.

Jazzmaster and Khaki: two approaches to the wrist

Hamilton brings together two sensibilities that rarely coexist elsewhere. The Jazzmaster, 350 references catalogued, is the formal line: thin cases, narrow lugs, a strap that should support the case without weighing it down. The Khaki models—Field with 221 references, Aviation with 196, Navy with 105—come from military watches: robust cases, wider lugs, full-grain leather or nylon, not thin dress calf.

Lug width varies significantly across families. The 20mm is standard on 489 catalogued models, mostly Khaki Field and automatic Jazzmaster. The 22mm, 349 models, is typical of Aviation and Navy with larger diameters. Below 20mm you enter vintage territory: 18mm on 104 models, often American Classic or vintage Jazzmaster, where a narrow lug calls for a strap that follows the wrist curve without gaps at the sides.

Leather ages differently depending on where it goes. On a Khaki Field, nylon or suede develops patina quickly. On a Jazzmaster or Intra-Matic, full-grain calf or cordovan darken slowly, holding the shine the case demands. On the Ventura, just 46 references in our archive, the attachment is often non-standard: size needs to be verified case by case, not by family.

Straps ready for your Hamilton

Size

Leather

Millennium Green Alligator Strap

€195,00

Matte Dark Gray Alligator Strap

€195,00

Millennium Green Alligator Strap — Minimal Stitching

€149,00

Matte Black Alligator Strap — Minimal Stitching

€149,00

Matte Grey Alligator Strap

€195,00

Swift Topo Leather Strap

€120,00

Red Hammered Calfskin Strap Ecru Stitching

€98,00

Italian Calfskin Rally Strap in Cognac

€110,00

Natural Calfskin Rally Strap

€110,00

Vintage Grey Leather Strap – Handmade in Milan

€80,00

Red Suede Strap

€90,00

Brown Italian Leather Strap

€80,00

Cognac Vintage Strap Double Ecru Stitching

€80,00

Red Nappa Italian Leather Strap

€59,00

Pink Saffiano Strap

€90,00

Italian Leather White Nappa Strap

€80,00

Violet Nappa Italian Leather Strap

€80,00

Pink Nappa Italian Leather Strap

€80,00

Saffiano Red Strap Ecru Stitching

€90,00

Black Saffiano Strap Ecru Stitching

€90,00

Blue Suede Strap with Stitching

€90,00

Yellow Suede Strap with Green Stitching

€90,00

Vintage Green Suede Strap

€90,00

Vintage Orange Suede Strap

€90,00

Vintage Olive Green Calf Leather Watch Strap

€80,00

Dark Brown Vintage Leather Strap

€80,00

Vintage Yellow Suede Strap

€90,00

Saffiano Orange Strap

€90,00

Dark Brown Saffiano Strap with Ecru Stitching

€90,00

Dark Brown Leather Strap with White Stitching

€80,00

Brown Vintage Calfskin Strap

€98,00

Saffiano Green Strap Rolled Edge White Stitching

€90,00

Saffiano Green Strap Folded Edge Green Stitching

€90,00

Brown Saffiano Strap Folded Edges White Stitching

€90,00

Brown Saffiano Strap with Rolled Edges and Brown Stitching

€90,00

Vintage Brown Leather Strap with Brown Stitching

€98,00

Dark Brown Vintage Suede Strap

€90,00

Hammered Black Calfskin Strap — Ecru Stitching

€98,00

Brown Roan Leather Strap

€110,00

Saffiano Dark Brown Tonal Strap

€90,00

Brown Saffiano Leather Strap

€90,00

Olive Green Vintage Leather Strap

€80,00

Vintage Purple Suede Strap

€90,00

Vintage Pink Suede Strap

€90,00

Pink Calfskin Strap with Box Stitching

€80,00

Brown Box Calf Strap — Crosshatch Pattern

€80,00

Brown Nabuk Strap

€90,00

Dark Brown Vintage Leather Strap

€80,00

Vintage Brown Horse Shoulder Leather Strap — Limited Edition

€105,00

Saffiano Green Leather Strap with Ecru Stitching

€90,00

Saffiano Green Strap

€90,00

Black Calfskin Rally Watch Strap – Handmade in Milan

€110,00

Dark Green Crazy Horse Strap

€80,00

Grey Hammered Leather Strap with Ecru Stitching

€98,00

Hammered Pink Strap with Ecru Stitching

€98,00

Hammered Calfskin Watch Strap Green with Ecru Stitching

€98,00

Apple Watch Saffiano Leather Strap Blue

€105,00

Purple Lizard Strap

€145,00

Lizard Strap Yellow

€145,00

Grey Lizard Strap

€145,00

Green Lizard Strap

€145,00

Camouflage Lizard Strap

€145,00

Pink Ostrich Strap

€165,00

Single Pass Strap Pink — Hammered Calf

€80,00

Red Hammered Calfskin Single Pass Watch Strap

€80,00

Military Green Single Pass Strap — Hammered Calf

€80,00

Single Pass Hammered Yellow Calfskin Strap

€80,00

Black and White Driver Leather Strap

€130,00

Black and Red Driver Strap

€130,00

Black and Blue Leather Driver Strap

€130,00

Black Lizard Strap

€145,00

Lime Lizard Strap

€145,00

Swift Leather Strap Olive Green

€120,00

Swift Red Leather Strap

€120,00

Vintage Tuscan Leather Strap Brown

€98,00

Frequently asked questions

What size strap does my Hamilton need?

It depends on the model. On Khaki Field and many automatic Jazzmaster watches, the most common size is 20mm, found on 489 of the 1143 Hamilton models in our archive. Khaki Aviation and Navy often take 22mm, which accounts for 349 models. Earlier models, like American Classic and vintage Jazzmaster, go down to 18mm, 104 models, or even 14mm, 32 models. If you send us the exact model, we'll tell you the size without you having to measure.

What leathers do you have for Hamilton?

We work with nine leathers in this collection: nylon (82 references), calf (76), alligator (38), saffiano (28), suede (19), cordovan (11), lizard (8), stingray (4) and ostrich (2). Nylon suits field Khaki well, calf and cordovan work for formal Jazzmaster and Intra-Matic. Exotics like alligator and lizard fit more formal dress watches.

Will a strap work on a vintage Hamilton?

Yes, if the lug width matches. Our archive covers models from 14mm to 24mm lugs, including less common sizes like 16mm, 19 models, and 21mm, 41 models, typical of certain vintage Railroad and Khaki watches. On a vintage piece it's worth checking the lug thickness and attachment type—spring bar or fixed—as well. We'll explain this at the atelier or by email before going ahead.

How long does it take to get a strap ready?

Timing depends on the leather and work involved. Simple leathers like nylon or calf are usually ready sooner. Exotics like alligator or lizard require longer hand-stitching work. At the atelier we can give you a precise timeframe once you choose the model and leather, because each combination has its own rhythm.

Can I see Hamilton straps at the atelier before choosing?

Yes, by appointment at Via XX Settembre 15 in Milan. You can see and feel the leathers, from nylon to cordovan through exotics like alligator and ostrich, and try them on your watch before deciding. It's the best way to understand how a leather will age on that particular case.

What's the difference between a Jazzmaster strap and a Khaki Field strap?

The difference lies in the lug width and case character. The Jazzmaster, 350 references catalogued, often has thin cases and narrow lugs: it calls for calf or cordovan straps, restrained in thickness. The Khaki Field, 221 references, has more robust field cases and wider lugs, often 20mm: here nylon and suede follow daily wear better and age alongside the watch.

The next step

The right strap isn’t chosen. It is built, together.

From the atelier appointment to delivery, every step is made for those who know that things done well take time. Rare leathers, one piece at a time, eighteen months of warranty.

Request an appointment →

What we offer

We guide you through every step — with exclusive images directly from our atelier
Over 50 artisanal steps for each strap — from leather selection to final stitching
The time it takes to do extraordinary things — four, five weeks. Not a day less.
An object designed to last a lifetime — cared for by us for eighteen months
The right leather for your watch — chosen together, in the atelier, only for you

By appointment only · Milan