
48 watches that match on case size, movement family, and price band. Sorted by how close the match is.
The closest alternative to the Casio Oceanus OCW-S100 is the Citizen Zenshin Three-Hand ($394) — common cross-shop and Everyday solar. If price is the constraint, the Citizen Corso at $244 (vs $490 for the Oceanus OCW-S100) covers most of the same brief. From the independents, the BERNY BERNY-Men Quartz Dress Watch-2676M is the standout microbrand take — looks nearly identical and Similar size. Stepping up, the Citizen ATTESA ($1,125) 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.