
48 watches that match on case size, movement family, and price band. Sorted by how close the match is.
The closest alternative to the Undone X SIMPLE UNION: AITOHEIWA AUTOMATIC is the Orient Bambino Open Heart ($315) — skeleton_dial and Visually similar. If price is the constraint, the Swatch Pomme Tech Bvb Major Series at $95 (vs $499 for the X SIMPLE UNION: AITOHEIWA AUTOMATIC) covers most of the same brief. From the independents, the Undone Basecamp Classic Bronze Date is the standout microbrand take — pro diver and Looks nearly identical. Stepping up, the Yema Superman Bronze CMM.10 ($1,699) 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.