
37 watches that match on case size, movement family, and price band. Sorted by how close the match is.
The closest alternative to the Spinnaker Dumas GMT is the Seiko Prospex Sea PADI Special Edition ($625) — common cross-shop and Looks nearly identical. If price is the constraint, the Swatch The Swatch Sistem51 Hodinkee Summer Ed at $170 (vs $399 for the Dumas GMT) covers most of the same brief. From the independents, the Viqueria Trecento – NeroAzzurro is the standout microbrand take — shared caliber (Seiko NH34) and Looks nearly identical. Stepping up, the Christopher Ward C63 Sealander GMT ($1,675) 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.