
31 watches that match on case size, movement family, and price band. Sorted by how close the match is.
The closest alternative to the Heimdallr Trident Shark Men's Dive Watch is the Seiko 5KX ($350) — pro diver and Looks nearly identical. From the independents, the BERNY BERNY-Men Automatic Compressor-style Diver Watch-AM1970M is the standout microbrand take — pro diver and Looks nearly identical. Stepping up, the Seiko Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition ($1,750) 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.