
42 watches that match on case size, movement family, and price band. Sorted by how close the match is.
The closest alternative to the Casio GM-S5600PG is the Casio G-Shock GW-M5610 ($145) — same family (G-Shock) and Square case. If price is the constraint, the Casio W-800H at $40 (vs $200 for the GM-S5600PG) covers most of the same brief. From the independents, the Slow Watches Slow Jo is the standout microbrand take — square case and Visually similar. Stepping up, the Bell & Ross BR-S black matte ($2,916) 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.