
37 watches that match on case size, movement family, and price band. Sorted by how close the match is.
The closest alternative to the Arethusa Watch Co World Diver is the Omega De Ville Tourbillon Co Axial Master Chronometer 43mm ($237,000) — visually similar and Sapphire. If price is the constraint, the Tudor Black Bay covers most of the same brief. From the independents, the Vertigo Watches Diver One V2 is the standout microbrand take — shared caliber (Seiko NH35) and Pro diver.
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.
Visually-adjacent picks pulled by the image-similarity engine. Quality varies — sometimes a true twin, sometimes just a rhyme.