Finding alternatives to
Alternatives to the Seiko Prospex Sea
48 watches that match on case size, movement family, and price band. Sorted by how close the match is.
Case
41.3mm
Movement
Automatic
Category
Diver
MSRP
$1,100
The short answer
The closest alternative to the Seiko Prospex Sea is the Seiko Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition ($1,400) — shared caliber (Seiko 6R55) and Same family (Prospex Sea). If price is the constraint, the Orient AC0Q-40 Diver Watch at $370 (vs $1,100 for the Prospex Sea) covers most of the same brief. From the independents, the Borealis Watch Co. Caloura 300m is the standout microbrand take — common cross-shop and Pro diver. Stepping up, the DOXA SUB 300 ($2,890) is where the same idea goes with a bigger budget.
ColourwayPick a colorway to match a specific dial
48 matches
Microbrand picks· 12
Independent makers covering the same brief, usually with something the mainstream brands don't.
Mainstream picks· 12
Established brands covering the same brief at a comparable price: same case size, similar movement family. Often the deciding click for a new buyer.
Cheaper alternatives· 12
If the price is the only thing keeping you off this watch, these get you most of the way there for less.
Pricier alternatives· 12
Where the same idea goes when budget isn't the constraint: luxury upgrades and step-ups.
