
47 watches that match on case size, movement family, and price band. Sorted by how close the match is.
The closest alternative to the Seagull Day-date Calendar Tonneau Watch is the Tissot PRX ($850) — tonneau / barrel case and Looks nearly identical. If price is the constraint, the Orient FNR1Q005W0 at $180 (vs $539 for the Day-date Calendar Tonneau Watch) covers most of the same brief. From the independents, the Seagull Tonneau Case Day-date Calendar Watch 34mm is the standout microbrand take — shared caliber (ST2100) and Same family (Dress Watch). Stepping up, the Omega Constellation Co Axial Master Chronometer ($7,200) 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.