
Formex Reef 39.5 mm
57 watches that match on case size, movement family, and price band. Sorted by how close the match is.
The closest alternative to the Formex Reef 39.5 mm is the Seiko Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition ($1,400) — pro diver and Looks nearly identical. If price is the constraint, the Tissot Seastar 1000 at $875 (vs $2,230 for the Reef 39.5 mm) covers most of the same brief. From the independents, the Formex Reef 42 mm is the standout microbrand take — shared caliber (Sellita SW300-1) and Same family (Reef). Stepping up, the Tudor Pelagos ($6,025) is where the same idea goes with a bigger budget.
Independent makers covering the same brief — usually with something the mainstream brands don't.
The closest match overall — same case size, similar movement family, comparable price. 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.
Visually-adjacent picks pulled by the image-similarity engine. Quality varies — sometimes a true twin, sometimes just a rhyme.
























































