
45 watches that match on case size, movement family, and price band. Sorted by how close the match is.
The closest alternative to the Momentum M-Ocean Eclipse is the Citizen Promaster Tough BN0118-55E ($445) — pro diver and Looks nearly identical. If price is the constraint, the Timex Diver Inspired 42mm Stainless Steel Bracelet Watch at $82 (vs $255 for the M-Ocean Eclipse) covers most of the same brief. From the independents, the Thorn Watchdives WD1972 VH31 Military Dive Watch V2 is the standout microbrand take — skin-diver style and Looks nearly identical.
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.