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

Matte Black Alligator Strap

€195,00

Matte Dark Brown Alligator Strap

€195,00

Light Blue Alligator Strap Ecru Tribal Stitching

€149,00

Black Alligator Strap with Light Blue Edges

€149,00

Black Alligator Strap with White Edges

€149,00

Black Alligator Strap with Light Red Edging

€149,00

Nubuck Alligator Strap GOLD — Hand Stitched

€195,00

Black Nubuck Alligator Strap with Hand-Stitched Tone-on-Tone Stitching

€195,00

Blue Nubuck Alligator Strap — Hand-Stitched

€195,00

Red Alligator Strap Water Resistant

€195,00

Vintage Alligator Strap Cognac Hand-stitched

€195,00

Vintage Alligator Strap Cognac

€195,00

Matte Military Green Caiman Strap — Hand-Stitched

€270,00

Matte Red Caiman Latirostris Strap — Hand Stitched

€270,00

Hand-stitched Matt Orange Caiman Strap

€270,00

Hand-stitched Matt Blue Caiman Strap

€270,00

Vintage Brown Calfskin Strap — Natural Patina

€98,00

Distressed Vintage Leather Strap Double Stitching

€80,00

Horween Cordovan Brown Watch Strap

€145,00

Black Cordovan Strap with No Stitching

€145,00

Vintage Black Calfskin Leather Strap

€80,00

Cognac Mohawk Leather Strap

€95,00

Grand Cavalier Leather Strap Orange

€120,00

Saffiano Navy Blue Strap

€90,00

Saffiano Leather Strap Brown — Tone-on-Tone Stitching

€90,00

Hammered Yellow Strap with Ecru Stitching

€98,00

Gray Ostrich Strap

€165,00

Black and Yellow Driver Leather Strap

€130,00

Black and Red Shell Cordovan Strap

€145,00

Black and Red Shell Cordovan Strap

€145,00

Embossed Azure Epsom Strap

€120,00

Gray Epsom Leather Strap

€120,00

Cognac Epsom Leather Strap

€120,00

Vintage Green Leather Strap

€80,00

Brown Italian Leather Strap — White Stitching

€59,00

Vintage Bone Leather Strap

€80,00

Italian Leather NATO Strap — Bordeaux

€80,00

Brown Italian Leather NATO Strap

€80,00

Blue Suede Strap with Red Tribal Stitching

€130,00

Vintage Green Calf Leather Strap

€80,00

Vintage Gray Calfskin Strap

€80,00

Military Green Vintage Suede Strap with Red Tribal Stitching

€130,00

Brown Suede Strap Blue Tribal Stitching

€130,00

Camel Suede Strap with White Tribal Stitching

€130,00

Green Cordovan Strap

€145,00

Brown Box Calfskin Strap — Padded

€80,00

Green Rubberized Alligator Strap with Ecru Tribal Stitching

€149,00

Embossed Red Epsom Strap

€120,00

Emerald Green Epsom Leather Strap

€120,00

Epsom Grey Strap

€120,00

Black Cordovan Strap with Ecru Stitching

€145,00

Black-Blue Cordovan Strap in Shell Cordovan

€145,00

Black and Red Shell Cordovan Strap

€145,00

Brown Vintage Calfskin Strap — Italian Leather

€59,00

Dark Green Italian Calf Leather Strap

€80,00

Rust Suede Strap with Blue Tribal Stitching

€130,00

Dark Brown Suede Strap with Vintage Tribal Stitching

€130,00

Vintage Grey Suede Strap with Tribal Stitching

€130,00

Black Rubberized Alligator Strap with Red Tribal Stitching

€185,00

Black Rubberized Alligator Strap with Blue Tribal Stitching

€145,00

Red Suede Strap with Stitching — Milano Straps

€90,00

Red Gummy Alligator Strap with Blue Tribal Stitching - 20mm

€185,00

Vintage Cognac Leather Strap

€80,00

Vintage Brown Suede Strap

€90,00

Seamless Brown Cordovan Strap

€145,00

Green Calf Leather Strap

€80,00

Red Box Calf Strap

€80,00

Green Canvas and Brown Leather Strap

€98,00

Vintage Brown Leather Strap

€80,00

Red Stingray Leather Strap

€150,00

Green Stingray Strap

€150,00

Light Brown Stingray Leather Strap

€150,00

Black Stingray Leather Strap

€150,00

Novonappa Black Military Style Strap for IWC Pilot

€142,00

Novonappa Brown Military Style IWC Pilot Strap

€142,00

Universal Adapter for Apple Watch

€12,00

Vintage Cognac Strap with Patina Perimeter Stitching

€90,00

Vintage cognac strap with patina stitching

€85,00

Tan Hammered Calfskin Strap

€98,00

Hammered Calfskin Strap Light Blue

€98,00

Millenium Cognac Alligator Strap

€195,00

Black Grand Cavalier Cuir Strap 20mm

€115,00

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