
42 watches that match on case size, movement family, and price band. Sorted by how close the match is.
The closest alternative to the Undone Cinnamoroll - Starry Marshmallow is the Casio EFB-730D ($165) — visually similar and Quartz. If price is the constraint, the Swatch Horale Restyled at $110 (vs $260 for the Cinnamoroll - Starry Marshmallow) covers most of the same brief. From the independents, the Undone The UNDONE Shunga: Meiji is the standout microbrand take — shared caliber (Seiko VK64 (Meca-Quartz)) and Visually similar. Stepping up, the Nivada Grenchen Chronoking Mecaquartz ($610) 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.