Seiko Prospex Sea
54 watches that match on case size, movement family, and price band. Sorted by how close the match is.
The closest alternative to the Seiko Prospex Sea is the Seiko 62MAS ($1,200) — shared caliber (6R35) and Same family (Prospex Sea). If price is the constraint, the Orient AC0Q-40 Diver Watch at $370 (vs $900 for the Prospex Sea) covers most of the same brief. From the independents, the Zelos Mako 4 is the standout microbrand take — common cross-shop and Pro diver. Stepping up, the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition ($3,300) is where the same idea goes with a bigger budget.
Independent makers covering the same brief — usually with something the mainstream brands don't.
The closest match overall — same case size, similar movement family, comparable price. 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.
Visually-adjacent picks pulled by the image-similarity engine. Quality varies — sometimes a true twin, sometimes just a rhyme.
