
48 watches that match on case size, movement family, and price band. Sorted by how close the match is.
The closest alternative to the Kobold Sir Ernest Shackleton is the Breitling Aviator 8 B35 Automatic Unitime 43 ($9,550) — looks nearly identical and Automatic. If price is the constraint, the Glycine Men's Airman Purist 42mm Automatic Watch GL0141 at $2,500 (vs $5,750 for the Sir Ernest Shackleton) covers most of the same brief. From the independents, the Kobold Intrepid is the standout microbrand take — shared caliber (ETA 2824-2) and Visually similar.
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.