Finding alternatives to
Alternatives to the Fortis Marinemaster M-40
Ref. M-40
48 watches that match on case size, movement family, and price band. Sorted by how close the match is.
Case
40mm
Movement
Automatic
Category
Diver
MSRP
$3,520
The short answer
The closest alternative to the Fortis Marinemaster M-40 is the Marathon OSAR-D (Original SAR with Date) Automatic 41mm ($1,800) — common cross-shop and Shared caliber (Sellita SW220-1). If price is the constraint, the Marathon OSAR-D (Original SAR with Date) Automatic 36mm at $1,200 (vs $3,520 for the Marinemaster M-40) covers most of the same brief. From the independents, the Synchron SEALAB Ti300M is the standout microbrand take — pro diver and Looks nearly identical. Stepping up, the Omega Seamaster Planet Ocean 600M Co Axial Master Chronometer 42mm ($8,600) is where the same idea goes with a bigger budget.
ColourwayPick a colourway 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.
