
44 watches that match on case size, movement family, and price band. Sorted by how close the match is.
The closest alternative to the Castor Watches Antártica is the Zenith G F J ($49,900) — same size. If price is the constraint, the IWC Schaffhausen Iw659602 Portofino Automatic Moon Phase at $9,600 (vs $79,900 for the Antártica) covers most of the same brief. From the independents, the Lima Watch SO:RE is the standout microbrand take — looks nearly identical and Quartz.
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.