
48 watches that match on case size, movement family, and price band. Sorted by how close the match is.
The closest alternative to the Arnold & Son Nebula Steel is the Audemars Piguet Royal Oak Perpetual Calendar "150ᵀᴴ Anniversary" 41mm — looks nearly identical and Same size. If price is the constraint, the Hamilton Jazzmaster Skeleton Auto at $1,475 (vs $20,895 for the Nebula Steel) covers most of the same brief. From the independents, the Manufaktur Waldhoff Pioneer is the standout microbrand take — looks nearly identical and Same size. Stepping up, the Patek Philippe Grand Complications 5271 ($339,335) 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.