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Browse/Alternatives/Omega Seamaster Diver 300M Co Axial Master Chronometer 42mm
Omega Seamaster Diver 300M Co Axial Master Chronometer 42mm
Finding alternatives to

Alternatives to the Omega Seamaster Diver 300M Co Axial Master Chronometer 42mm

Ref. 210.92.42.20.01.003

49 watches that match on case size, movement family, and price band. Sorted by how close the match is.

Case
42mm
Movement
Automatic
Category
Diver
MSRP
$16,600
The short answer

The closest alternative to the Omega Seamaster Diver 300M Co Axial Master Chronometer 42mm is the Omega Seamaster Diver 300M Co Axial Master Chronometer 42mm ($9,600) — shared caliber (Omega 8800) and Same family (Seamaster Diver 300M). If price is the constraint, the Omega Seamaster Diver 300M Co Axial Master Chronometer 42mm at $6,300 (vs $16,600 for the Seamaster Diver 300M Co Axial Master Chronometer 42mm) covers most of the same brief. From the independents, the Ergon Watches Maelstrom is the standout microbrand take — pro diver and Looks nearly identical. Stepping up, the Omega Seamaster Diver 300M 007 Edition ($33,300) is where the same idea goes with a bigger budget.

ColourwayPick a colourway to match a specific dial
49 matches

Microbrand picks· 12

Independent makers covering the same brief — usually with something the mainstream brands don't.

Ergon Watches Maelstrom
Ergon Watchesmicro

Maelstrom

3 variants
40mm·Automatic·300m WR
$380MSRP
vsCompare with the Omega Seamaster Diver 300M Co Axial Master Chronometer 42mm
Monro Adventure Watches Moa
Monro Adventure Watchesmicro
Ocean

Moa

7 variants
41mm·Automatic·200m WR
$423MSRP
vsCompare with the Omega Seamaster Diver 300M Co Axial Master Chronometer 42mm
Revelot R11 Darkside
Revelotmicro

R11 Darkside

2 variants
42mm·Automatic·200m WR
$390MSRP
vsCompare with the Omega Seamaster Diver 300M Co Axial Master Chronometer 42mm
Vertigo Watches Medusa
Vertigo Watchesmicro

Medusa

4 variants
41mm·Automatic·200m WR
$487MSRP
vsCompare with the Omega Seamaster Diver 300M Co Axial Master Chronometer 42mm
Spinnaker Spence 300
Spinnakermicro

Spence 300

11 variants · Spence
40mm·Automatic·300m WR
$650MSRP
vsCompare with the Omega Seamaster Diver 300M Co Axial Master Chronometer 42mm
Audaz ADZ-2065
Audazmicro

ADZ-2065

6 variants
42mm·Automatic·200m WR
$600MSRP
vsCompare with the Omega Seamaster Diver 300M Co Axial Master Chronometer 42mm
Revelot R11 Storm
Revelotmicro

R11 Storm

2 variants
42mm·Automatic·200m WR
$390MSRP
vsCompare with the Omega Seamaster Diver 300M Co Axial Master Chronometer 42mm
Boderry SEATURTLE.OCEAN - Automatic Bronze Diver Watch
Boderrymicro

SEATURTLE.OCEAN - Automatic Bronze Diver Watch

4 variants
40mm·Automatic·100m WR
$209MSRP
vsCompare with the Omega Seamaster Diver 300M Co Axial Master Chronometer 42mm
Duxot Atlantica Diver Automatic
Duxotmicro

Atlantica Diver Automatic

12 variants · Atlantica Diver
42mm·Automatic·200m WR
$159MSRP
vsCompare with the Omega Seamaster Diver 300M Co Axial Master Chronometer 42mm
Oceaneva Deep Marine Explorer II 1250M Black IP
Oceanevamicro

Deep Marine Explorer II 1250M Black IP

11 variants
42mm·Automatic·1250m WR
$999MSRP
vsCompare with the Omega Seamaster Diver 300M Co Axial Master Chronometer 42mm
Squale 1521
Squalemicro

1521

13 variants
42mm·Automatic·500m WR
$1,265MSRP
vsCompare with the Omega Seamaster Diver 300M Co Axial Master Chronometer 42mm
Thorn Vintage 50-Fathoms No-Rad Bronze Dive Watch
Thornmicro

Vintage 50-Fathoms No-Rad Bronze Dive Watch

 
40mm·Automatic·200m WR
$199MSRP
vsCompare with the Omega Seamaster Diver 300M Co Axial Master Chronometer 42mm

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.

Omega Seamaster Diver 300M Co Axial Master Chronometer 42mm
Omega

Seamaster Diver 300M Co Axial Master Chronometer 42mm

8 variants · Seamaster Diver 300M
42mm·Automatic·300m WR
$9,600MSRP
vsCompare with the Omega Seamaster Diver 300M Co Axial Master Chronometer 42mm
Breitling Superocean Automatic
Breitling

Superocean Automatic

Ref. R17375211B1S1
42mm·Automatic·300m WR
$25,400MSRP
vsCompare with the Omega Seamaster Diver 300M Co Axial Master Chronometer 42mm
Breitling Superocean Automatic
Breitling

Superocean Automatic

3 variants · Superocean
36/42mm·Automatic·300m WR
$7,800MSRP
vsCompare with the Omega Seamaster Diver 300M Co Axial Master Chronometer 42mm
Tudor Black Bay Bronze
Tudor

Black Bay Bronze

 
43mm·Automatic·200m WR
—MSRP
vsCompare with the Omega Seamaster Diver 300M Co Axial Master Chronometer 42mm
Tudor Black Bay
Tudor

Black Bay

 
41mm·Automatic
—MSRP
vsCompare with the Omega Seamaster Diver 300M Co Axial Master Chronometer 42mm
Omega Seamaster Diver 300M Co Axial Master Chronometer 43 5mm
Omega

Seamaster Diver 300M Co Axial Master Chronometer 43 5mm

4 variants · Seamaster Diver 300M
43.5mm·Automatic·300m WR
$10,000MSRP
vsCompare with the Omega Seamaster Diver 300M Co Axial Master Chronometer 42mm
Breitling Superocean Heritage B20 Automatic
Breitling

Superocean Heritage B20 Automatic

Ref. RB2010121B1S1
42mm·Automatic·200m WR
$22,650MSRP
vsCompare with the Omega Seamaster Diver 300M Co Axial Master Chronometer 42mm
Rolex Submariner
Rolex

Submariner

Ref. 124060
41mm·Automatic·300m WR
$10,050MSRP
vsCompare with the Omega Seamaster Diver 300M Co Axial Master Chronometer 42mm
Rolex Sea-Dweller
Rolex

Sea-Dweller

Ref. 126603
43mm·Automatic·1220m WR
$22,450MSRP
vsCompare with the Omega Seamaster Diver 300M Co Axial Master Chronometer 42mm
Omega Seamaster 300 Co Axial Master Chronometer 41mm
Omega

Seamaster 300 Co Axial Master Chronometer 41mm

5 variants · Seamaster
41mm·Automatic·300m WR
$15,700MSRP
vsCompare with the Omega Seamaster Diver 300M Co Axial Master Chronometer 42mm
Tudor Black Bay Ceramic
Tudor

Black Bay Ceramic

 
41mm·Automatic·200m WR
—MSRP
vsCompare with the Omega Seamaster Diver 300M Co Axial Master Chronometer 42mm
Rolex Sea-Dweller
Rolex

Sea-Dweller

Ref. 126600
43mm·Automatic·1220m WR
$14,550MSRP
vsCompare with the Omega Seamaster Diver 300M Co Axial Master Chronometer 42mm

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.

Omega Seamaster Diver 300M Co Axial Master Chronometer 42mm
Omega

Seamaster Diver 300M Co Axial Master Chronometer 42mm

25 variants · Seamaster Diver 300M
42mm·Automatic·300m WR
$6,300MSRP
vsCompare with the Omega Seamaster Diver 300M Co Axial Master Chronometer 42mm
Breitling Superocean Automatic
Breitling

Superocean Automatic

20 variants · Superocean
36/42/44/46mm·Automatic·300m WR
$5,700MSRP
vsCompare with the Omega Seamaster Diver 300M Co Axial Master Chronometer 42mm
Glycine Men's Combat Sub Sport GMT Bronze 42mm Automatic Watch GL0320
Glycine
Combat

Men's Combat Sub Sport GMT Bronze 42mm Automatic Watch GL0320

 
42mm·Automatic·200m WR
$2,995MSRP
vsCompare with the Omega Seamaster Diver 300M Co Axial Master Chronometer 42mm
Bremont Supermarine 300M
Bremont

Supermarine 300M

8 variants · Supermarine
40mm·Automatic·300m WR
$3,550MSRP
vsCompare with the Omega Seamaster Diver 300M Co Axial Master Chronometer 42mm
Glycine Men's Combat Sub Sport GMT Bronze 42mm Automatic Watch GL0319
Glycine
Combat

Men's Combat Sub Sport GMT Bronze 42mm Automatic Watch GL0319

 
42mm·Automatic·200m WR
$2,995MSRP
vsCompare with the Omega Seamaster Diver 300M Co Axial Master Chronometer 42mm
Glycine Men's Combat Sub 42mm Automatic Watch GL0092
Glycine
Combat

Men's Combat Sub 42mm Automatic Watch GL0092

 
42mm·Automatic·200m WR
$1,450MSRP
vsCompare with the Omega Seamaster Diver 300M Co Axial Master Chronometer 42mm
Breitling Superocean Heritage 57
Breitling

Superocean Heritage 57

Ref. U10370121B1X1
42mm·Automatic·100m WR
$6,200MSRP
vsCompare with the Omega Seamaster Diver 300M Co Axial Master Chronometer 42mm
Breitling Superocean Heritage B20 Automatic
Breitling

Superocean Heritage B20 Automatic

3 variants · Superocean Heritage
42/44mm·Automatic·200m WR
$7,250MSRP
vsCompare with the Omega Seamaster Diver 300M Co Axial Master Chronometer 42mm
Tudor Black Bay 58 79030
Tudor

Black Bay 58 79030

2 variants
39mm·Automatic·200m WR
$4,000MSRP
vsCompare with the Omega Seamaster Diver 300M Co Axial Master Chronometer 42mm
Bremont S502
Bremont
Supermarine

S502

3 variants · Supermarine
43mm·Automatic·500m WR
$5,100MSRP
vsCompare with the Omega Seamaster Diver 300M Co Axial Master Chronometer 42mm
Omega Seamaster 300 Co Axial Master Chronometer 41mm
Omega

Seamaster 300 Co Axial Master Chronometer 41mm

3 variants · Seamaster
41mm·Automatic·300m WR
$8,000MSRP
vsCompare with the Omega Seamaster Diver 300M Co Axial Master Chronometer 42mm
Bremont Supermarine 500M
Bremont

Supermarine 500M

7 variants · Supermarine
43mm·Automatic·500m WR
$4,700MSRP
vsCompare with the Omega Seamaster Diver 300M Co Axial Master Chronometer 42mm

Pricier alternatives· 12

Where the same idea goes when budget isn't the constraint — luxury upgrades and step-ups.

Omega Seamaster Diver 300M 007 Edition
Omega

Seamaster Diver 300M 007 Edition

Ref. 210.90.42.20.01.003
42mm·Automatic·300m WR
$33,300MSRP
vsCompare with the Omega Seamaster Diver 300M Co Axial Master Chronometer 42mm
Rolex Yacht-Master
Rolex

Yacht-Master

2 variants · Ref. 268655
37/40/42mm·Automatic·100m WR
$32,500MSRP
vsCompare with the Omega Seamaster Diver 300M Co Axial Master Chronometer 42mm
Rolex Submariner Date
Rolex

Submariner Date

2 variants · Submariner
41mm·Automatic·300m WR
$50,900MSRP
vsCompare with the Omega Seamaster Diver 300M Co Axial Master Chronometer 42mm
Breitling Super Chronomat B01 Chronograph 44 Nfl San Francisco 49ers
Breitling
Chronomat

Super Chronomat B01 Chronograph 44 Nfl San Francisco 49ers

Ref. RB01366A/CD02/300S/R20DSA.6
44mm·Automatic·200m WR
$33,900MSRP
vsCompare with the Omega Seamaster Diver 300M Co Axial Master Chronometer 42mm
Blancpain Bathyscaphe
Blancpain
Fifty Fathoms

Bathyscaphe

2 variants · Fifty Fathoms
43mm·Automatic·300m WR
$35,200MSRP
vsCompare with the Omega Seamaster Diver 300M Co Axial Master Chronometer 42mm
Rolex Rolex Deepsea
Rolex
Deepsea

Rolex Deepsea

Ref. 136668LB
44mm·Automatic·3900m WR
$68,100MSRP
vsCompare with the Omega Seamaster Diver 300M Co Axial Master Chronometer 42mm
Blancpain Fifty Fathoms Automatique
Blancpain

Fifty Fathoms Automatique

3 variants · Fifty Fathoms
42.3mm·Automatic·300m WR
$40,400MSRP
vsCompare with the Omega Seamaster Diver 300M Co Axial Master Chronometer 42mm
Blancpain Bathyscaphe Quantième Complet Phases de Lune
Blancpain
Fifty Fathoms

Bathyscaphe Quantième Complet Phases de Lune

3 variants · Fifty Fathoms
43mm·Automatic·300m WR
$41,800MSRP
vsCompare with the Omega Seamaster Diver 300M Co Axial Master Chronometer 42mm
Breitling Super Chronomat B01 Chronograph 44 Nfl Green Bay Packers
Breitling
Chronomat

Super Chronomat B01 Chronograph 44 Nfl Green Bay Packers

Ref. RB01366A/CD02/300S/R20DSA.6
44mm·Automatic·200m WR
$33,900MSRP
vsCompare with the Omega Seamaster Diver 300M Co Axial Master Chronometer 42mm
Breitling Super Chronomat B01 Chronograph 44 Nfl Miami Dolphins
Breitling
Chronomat

Super Chronomat B01 Chronograph 44 Nfl Miami Dolphins

Ref. RB01366A/CD02/300S/R20DSA.6
44mm·Automatic·200m WR
$33,900MSRP
vsCompare with the Omega Seamaster Diver 300M Co Axial Master Chronometer 42mm
TAG Heuer Carrera Chronograph Tourbillon Extreme Sport
TAG Heuer

Carrera Chronograph Tourbillon Extreme Sport

Ref. CBU5050.FT6273
44mm·Automatic·100m WR
$46,250MSRP
vsCompare with the Omega Seamaster Diver 300M Co Axial Master Chronometer 42mm
Linde Werdelin Oktopus Moon Gold Black Ink
Linde Werdelin

Oktopus Moon Gold Black Ink

 
44mm·Automatic·300m WR
$57,143MSRP
vsCompare with the Omega Seamaster Diver 300M Co Axial Master Chronometer 42mm

Homages & lookalikes· 1

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.

San Martin San Martin Watchdives X 38mm Chronometer Automatic SN0113W V
San Martinhomage

San Martin Watchdives X 38mm Chronometer Automatic SN0113W V

5 variants
38mm·Automatic·100m WR
$238MSRP
vsCompare with the Omega Seamaster Diver 300M Co Axial Master Chronometer 42mm
← Back to the Omega Seamaster Diver 300M Co Axial Master Chronometer 42mmBest Diver Watches Under $2,000 →Open the alternatives engine