Baltic
Aquascaphe MK2
- 37 mm case, 0.8 mm wider
- Both use automatic movements
What changes
Compare models Dimensions alone do not establish wrist fit.
Watch alternatives
Alternatives to the Omega Seamaster Diver 300M Mid-Size Chronometer
Reference 2551.80.00
Keep what you like. Explore what could be different. Compare 47 catalog matches by dimensions, movement and price.
- Case diameter
- 36.25 mm
- Lug-to-lug
- Not recorded
- Movement
- Automatic
- Catalog MSRP
- Not recorded
The starting pointStarting points
Choose the differences that matter to you.
Calculated from catalog specifications and similarity signals. Prices are recorded MSRP in USD. Missing measurements stay unknown.
Your priorities
Narrow these matches without leaving the page.
47 matches
Microbrand picks· 12
Discover smaller makers with catalog similarities to this watch.
Aquatico
Sea Sentinel Tritium
- 38 mm case, 1.8 mm wider
- Both use automatic movements
What changes
Compare models Lug-to-lug is not recorded for this match.
Squale
Super-Squale
- 38 mm case, 1.8 mm wider
- Both use automatic movements
What changes
Compare models Lug-to-lug is not recorded for this match.
AETHELSOHN
Horizon Azure GMT
- 38 mm case, 1.8 mm wider
- Both use automatic movements
What changes
Compare models Dimensions alone do not establish wrist fit.
Nodus
Sector Deep Pioneer
- 38 mm case, 1.8 mm wider
- Both use automatic movements
What changes
Compare models Dimensions alone do not establish wrist fit.
Aquastar
Deepstar II
- Both use automatic movements
What changes
Compare models Lug-to-lug is not recorded for this match.
Borealis Watch Co.
Bull Shark V2
- 38 mm case, 1.8 mm wider
- Both use automatic movements
What changes
Compare models Dimensions alone do not establish wrist fit.
Bernhardt
The Cipher Diver
- 39 mm case, 2.8 mm wider
- Both use automatic movements
What changes
Compare models Dimensions alone do not establish wrist fit.
Out of Order
Casanova
- 38 mm case, 1.8 mm wider
- Both use automatic movements
What changes
Compare models Dimensions alone do not establish wrist fit.
ZRC 1904
DIVER300 -METAL
- 39 mm case, 2.8 mm wider
- Both use automatic movements
What changes
Compare models Lug-to-lug is not recorded for this match.
Geckota
Ocean-Scout Dive
- 38.5 mm case, 2.3 mm wider
- Both use automatic movements
What changes
Compare models Lug-to-lug is not recorded for this match.
Pompeak
Sub-Aquatic
- 40 mm case, 3.8 mm wider
- Both use automatic movements
What changes
Compare models Dimensions alone do not establish wrist fit.
Mainstream picks· 10
Established-brand matches. Compare the recorded dimensions, movement and price for each watch.
Tudor
Black Bay 54
- 37 mm case, 0.8 mm wider
- Both use automatic movements
What changes
Lug-to-lug is not recorded for this match.
TAG Heuer
Aquaracer Calibre 5
- 41 mm case, 4.8 mm wider
- Both use automatic movements
What changes
Compare models Lug-to-lug is not recorded for this match.
Tudor
Pelagos
- 42 mm case, 5.8 mm wider
- Both use automatic movements
What changes
Compare models Lug-to-lug is not recorded for this match.
Blancpain
Fifty Fathoms Automatique
- 38.2 mm case, 2 mm wider
- Both use automatic movements
What changes
Compare models Lug-to-lug is not recorded for this match.
Omega
Seamaster Diver 300M Co-Axial Chronometer 36.25 mm
- Same 36.3 mm case diameter
- Both use automatic movements
What changes
Compare models Lug-to-lug is not recorded for this match.
Breitling
Superocean Heritage B31 Automatic 40 Kelly Slater
- 40 mm case, 3.8 mm wider
- Both use automatic movements
What changes
Compare models Lug-to-lug is not recorded for this match.
Omega
Seamaster Diver 300M Co Axial Master Chronometer 42mm
- 42 mm case, 5.8 mm wider
- Both use automatic movements
What changes
Compare models Dimensions alone do not establish wrist fit.
Blancpain
Fifty Fathoms Automatique
- 38.2 mm case, 2 mm wider
- Both use automatic movements
What changes
Compare models Lug-to-lug is not recorded for this match.
Tudor
Pelagos FXD
- 42 mm case, 5.8 mm wider
- Both use automatic movements
What changes
MSRP is not recorded for this match.
Jaeger-LeCoultre
Polaris Mariner Memovox Stainless Steel
- 42 mm case, 5.8 mm wider
- Both use automatic movements
What changes
Compare models Lug-to-lug is not recorded for this match.
Cheaper alternatives· 12
Matches in a lower price band. A recorded MSRP difference is shown only when both prices are known.
Breitling
Superocean Heritage Automatic 36
- 36 mm case, 0.3 mm narrower
- Both use automatic movements
What changes
Compare models Lug-to-lug is not recorded for this match.
Tudor
Black Bay 58 79030
- 39 mm case, 2.8 mm wider
- Both use automatic movements
What changes
Compare models Lug-to-lug is not recorded for this match.
Bremont
S302
- 40 mm case, 3.8 mm wider
- Both use automatic movements
What changes
Compare models Lug-to-lug is not recorded for this match.
Bremont
Supermarine 300M
- 40 mm case, 3.8 mm wider
- Both use automatic movements
What changes
Compare models Lug-to-lug is not recorded for this match.
Bremont
S300
- 40 mm case, 3.8 mm wider
- Both use automatic movements
What changes
Compare models Lug-to-lug is not recorded for this match.
Omega
Seamaster Diver 300M Co Axial Master Chronometer 42mm
- 42 mm case, 5.8 mm wider
- Both use automatic movements
What changes
Compare models Dimensions alone do not establish wrist fit.
Fortis
Marinemaster M-40
- 40 mm case, 3.8 mm wider
- Both use automatic movements
What changes
Compare models Lug-to-lug is not recorded for this match.
Longines
HydroConquest
- 39 mm case, 2.8 mm wider
- Both use automatic movements
What changes
Compare models Lug-to-lug is not recorded for this match.
Movado
Series 800 Automatic
- 40 mm case, 3.8 mm wider
- Both use automatic movements
What changes
Compare models Lug-to-lug is not recorded for this match.
Breitling
Avenger Automatic
- 42 mm case, 5.8 mm wider
- Both use automatic movements
What changes
Compare models Lug-to-lug is not recorded for this match.
Breitling
Superocean Automatic
- 42 mm case, 5.8 mm wider
- Both use automatic movements
What changes
Compare models Lug-to-lug is not recorded for this match.
Longines
HydroConquest
- 39 mm case, 2.8 mm wider
- Both use automatic movements
What changes
Compare models Dimensions alone do not establish wrist fit.
Pricier alternatives· 11
Matches in a higher price band. Check the specifications to decide whether the differences matter to you.
Rolex
Cosmograph Daytona
- 40 mm case, 3.8 mm wider
- Both use automatic movements
What changes
Lug-to-lug is not recorded for this match.
Rolex
Submariner Date
- 41 mm case, 4.8 mm wider
- Both use automatic movements
What changes
Compare models Lug-to-lug is not recorded for this match.
Rolex
Submariner Date
- 41 mm case, 4.8 mm wider
- Both use automatic movements
What changes
Compare models Lug-to-lug is not recorded for this match.
Patek Philippe
Complications 7129
- 36 mm case, 0.3 mm narrower
- Both use automatic movements
What changes
Lug-to-lug is not recorded for this match.
Omega
Seamaster 300 Co Axial Master Chronometer 41mm
- 41 mm case, 4.8 mm wider
- Both use automatic movements
What changes
Compare models Dimensions alone do not establish wrist fit.
Breitling
Top Time B21 Ford Mustang
- 42 mm case, 5.8 mm wider
- Both use automatic movements
What changes
Lug-to-lug is not recorded for this match.
Patek Philippe
Aquanaut 5968
- 42.2 mm case, 6 mm wider
- Both use automatic movements
What changes
Compare models Lug-to-lug is not recorded for this match.
Patek Philippe
Aquanaut 5168
- 42.2 mm case, 6 mm wider
- Both use automatic movements
What changes
Compare models Lug-to-lug is not recorded for this match.
Linde Werdelin
Oktopus Moon Gold Black Ink
- 44 mm case, 7.8 mm wider
- Both use automatic movements
What changes
Compare models Dimensions alone do not establish wrist fit.
Breitling
Navitimer B19 Chronograph 43 Perpetual Calendar
- 43 mm case, 6.8 mm wider
- Both use automatic movements
What changes
Lug-to-lug is not recorded for this match.
Breitling
Premier B21 Chronograph Tourbillon 42 Willy Breitling
- 42 mm case, 5.8 mm wider
- Both use automatic movements
What changes
Lug-to-lug is not recorded for this match.
Homages & lookalikes· 2
Watches that share this design language: confirmed homages, close tributes, and lookalikes, including the classics that inspired the look. Hidden when nothing in the catalog is related.
Addiesdive
AddiesKIN K002 “Urban Mechanica”
- 40 mm case, 3.8 mm wider
- Both use automatic movements
What changes
Dimensions alone do not establish wrist fit.
San Martin
Watchdives X 38mm Chronometer Automatic SN0113W V
- 38 mm case, 1.8 mm wider
- Both use automatic movements
What changes
Lug-to-lug is not recorded for this match.
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