
38 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 N°1 is the Zenith Chronomaster Sport ($111,000) — visually similar. If price is the constraint, the Grand Seiko SBGW306 at $17,900 (vs $149,900 for the N°1) covers most of the same brief. From the independents, the Castor Watches Cantaría is the standout microbrand take — shared caliber (Miyota 2035) 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.
Visually-adjacent picks pulled by the image-similarity engine. Quality varies — sometimes a true twin, sometimes just a rhyme.