
48 watches that match on case size, movement family, and price band. Sorted by how close the match is.
The closest alternative to the Seagull Ocean Series 200m Metallic Gradient Dial Calendar Dive Watch 39mm is the Invicta Pro Diver 8927OB — skin-diver style and Looks nearly identical. If price is the constraint, the Bulova Black Dial Stainless Steel Bracelet Vintage Sea Hunter 43B175 at $395 (vs $879 for the Ocean Series 200m Metallic Gradient Dial Calendar Dive Watch 39mm) covers most of the same brief. From the independents, the Zelos Swordfish 3 is the standout microbrand take — skin-diver style and Looks nearly identical. Stepping up, the Norqain Adventure 40mm ($4,283) 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.