
48 watches that match on case size, movement family, and price band. Sorted by how close the match is.
The closest alternative to the Seiko Astron is the Seiko Astron GPS Solar 2026 Limited Edition ($2,400) — shared caliber (3X62) and Same family (Astron). If price is the constraint, the Tissot Gentleman at $495 (vs $2,400 for the Astron) covers most of the same brief. From the independents, the BERNY BERNY-Men Quartz Titanium Dress Watch-T2567MS is the standout microbrand take — classic dress and Looks nearly identical. Stepping up, the Grand Seiko SBGA469 ($5,600) 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.