
38 watches that match on case size, movement family, and price band. Sorted by how close the match is.
The closest alternative to the Gruppo Gamma Field III GMT is the Seiko 5 Sports Field series ($450) — common cross-shop and GMT/traveler. If price is the constraint, the Swatch Sistem51 Hodinkee Generation at $170 (vs $459 for the Field III GMT) covers most of the same brief. From the independents, the Traska Venturer GMT is the standout microbrand take — gMT/traveler and Looks nearly identical. Stepping up, the Glycine Airman SST GMT ($3,400) is where the same idea goes with a bigger budget.
Independent makers covering the same brief — usually with something the mainstream brands don't.
Established brands covering the same brief at a comparable price — same case size, similar movement family. Often the deciding click for a new buyer.
If the price is the only thing keeping you off this watch, these get you most of the way there for less.
Where the same idea goes when budget isn't the constraint — luxury upgrades and step-ups.