
36 watches that match on case size, movement family, and price band. Sorted by how close the match is.
The closest alternative to the San Martin Watchdives X Milsubmariner SN004 V3 is the Invicta Pro Diver 5053 — shared caliber (Seiko NH35) and Skin-diver style. From the independents, the Spinnaker Spence 300 is the standout microbrand take — common cross-shop and Shared caliber (Seiko NH35). Stepping up, the Yema Navygraf Marine Nationale CMM.10 ($1,614) 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.
Where the same idea goes when budget isn't the constraint: luxury upgrades and step-ups.