Wear a Smartwatch with Your Hamilton | Smartlet
Wear a smartwatch
with your Hamilton
Hamilton watches have been worn in over 500 films, from 2001: A Space Odyssey to Interstellar. The Khaki Field and Jazzmaster offer Swiss precision with a distinctly American design language. Smartlet One replaces your Hamilton strap and positions your Apple Watch or Garmin Venu alongside your mechanical movement on the same wrist.
Three steps to both watches on one wrist
Hamilton iconic models
Each guide covers all references, variants, lug widths, and step-by-step Smartlet installation for one specific model line.
Other Hamilton models
76 references grouped into 5 model families. All compatible. Expand any group to see variants, references, and specifications.
American Classic
Intra-Matic
Jazzmaster
Railroad
Vintage / Others
Smartwatches to pair with your Hamilton
Wear your smartwatch simultaneously with your Hamilton via Smartlet One. Lug widths 18mm to 24mm natively supported.
Frequently asked questions
Does Smartlet work with Hamilton Khaki Field?
Yes. The Hamilton Khaki Field Mechanical and Automatic both use 20mm lugs, natively supported by Smartlet. Smartlet replaces the original strap and holds your Apple Watch or Garmin on the underside of the same wrist. Both watches run simultaneously. Installation takes under 30 seconds.
Does Smartlet work with Hamilton Jazzmaster?
Yes. The Hamilton Intra-Matic uses 20mm lugs, natively supported by Smartlet. Smartlet One replaces the original leather strap via the spring-bar system. Your smartwatch module sits on the wrist side, both instruments functioning independently and simultaneously. Fully reversible at any time.
Does Smartlet modify my Hamilton?
No. Smartlet installs via the standard spring-bar system, identical to fitting any aftermarket strap. The Hamilton case, crown, and crystal remain completely untouched. No drilling, adhesive, or permanent modification of any kind is involved. The original strap can be refitted in seconds whenever needed.
Which lug widths does Smartlet support natively?
Smartlet supports lug widths from 18mm to 24mm natively. Hamilton models use 18mm, 19mm, 20mm, or 22mm lugs depending on the family and reference. All Hamilton references in our database fall within this range. No adapter, tool, or modification is required to fit Smartlet on your Hamilton.