
48 watches that match on case size, movement family, and price band. Sorted by how close the match is.
The closest alternative to the Grand Seiko SBGH289 is the Fortis Marinemaster M-44 ($5,120) — pro diver and Looks nearly identical. If price is the constraint, the Orient Sports Diver at $745 (vs $7,700 for the SBGH289) covers most of the same brief. From the independents, the Islander Automatic Dive Watch with Bracelet, Double-Domed AR Sapphire Crystal, and Embossed Ceramic Bezel Insert #ISL-18 is the standout microbrand take — pro diver and Looks nearly identical. Stepping up, the Blancpain Bathyscaphe Chronographe Flyback ($31,700) 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.