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Alternatives to Omega Seamaster Planet Ocean 600M 43.5 mm, steel on steel, with the reasons they match.

A price comparison is unavailable for this reference. Matches use the known specifications. Case size, strap, dial color and watch type guide the order when known. One reference per brand appears before repeat brands.

Mido Ocean Star 600 Chronometer

43.5 mm · Automatic

43.5 mm case · Both on bracelets · Black dials

Ref. M026.608.33.051.00

Brand price$2,190 USD

Blancpain Fifty Fathoms Bathyscaphe Quantième Complet Phases de Lune

43.60mm · Ceramic

43.6 mm case · Both on bracelets · Black dials

Ref. 5054-0130-01S

Brand price$31,700 USD

Breitling Superocean Automatic 44

44 mm · Automatic

44 mm case · Both on bracelets · Black dials

Ref. A17376211B1A1

Brand price$5,900 USD

Tissot Seastar 1000 43mm

43.0 mm · Automatic

43 mm case · Both on bracelets · Black dials

Ref. T1204071105100

Brand price$925 USD

Hamilton Khaki Navy Scuba Auto

43mm · Automatic

43 mm case · Both on bracelets · Black dials

Ref. H82515130

Brand price$1,225 USD

Longines HYDROCONQUEST

43 mm · Automatic

43 mm case · Both on bracelets · Black dials

Ref. L3.782.3.56.7

Brand price$2,350 USD

Christopher Ward C60 Trident Reef Galaxea Black

44 mm · Sellita SW200-1

44 mm case · Both on bracelets · Black dials

Ref. C60-44A3H31S0KK0-B0

Brand price$1,220 USD

Tudor Pelagos Ultra

43 mm · Automatic

43 mm case · Both on bracelets · Black dials

Ref. m2543c1a7nu-0001

Brand price$6,900 USD

Rado Captain Cook High-Tech Ceramic Diver

43.0 mm · Automatic

43 mm case · Both on bracelets · Dive watches

Ref. R32129152

Brand price$4,250 USD

44 mm · Automatic

44 mm case · Both on bracelets · Dive watches

Ref. m136668lb-0001

Brand price$68,100 USD

Oris Aquis Date

43.5 mm · Automatic

43.5 mm case · Black dials · Dive watches

Ref. 01-733-7730-4134-07-8-24-05PEB

Brand price$2,600 USD

Glashütte Original SeaQ Panorama Date

43.20 mm · Automatic

43.2 mm case · Black dials · Dive watches

Ref. 1-36-13-01-80-33

Price on request

Ulysse Nardin Diver NET Azure

Ø 44 mm · Steel / Nylon

44 mm case · Black dials · Dive watches

Ref. 1183-170-2B/3A

Brand price$16,200 USD

TAG Heuer Carrera Chronograph Extreme Sport Twin-Time

44 mm · Automatic

44 mm case · Black dials · GMT watches

Ref. CBU2084.FT6297

Brand price$9,500 USD

Audemars Piguet Royal Oak Concept

43 mm · Carbon

43 mm case · Black dials · GMT watches

Ref. 26650FA.OO.D002CA.01

Price on request

Zenith DEFY EXTREME DIVER

43 mm · Automatic

43 mm case · Black dials · Dive watches

Ref. 97.9600.3620/21.I300

Brand price$13,300 USD

IWC Aquatimer Automatic

42 mm · Automatic

42 mm case · Both on bracelets · Dive watches

Ref. IW328803

3.8% higher than in Jun 2026+$300 · Jun 18, 2026 – Oct 23, 2026

Brand price$8,100 USD

Bell & Ross BR 03-92 Diver Black Steel

42 mm · Automatic

42 mm case · Black dials · Dive watches

Ref. BR0392-D-BL-ST/SRB-M

Brand price$4,200 USD

A. Lange & Söhne LANGE 1 TIME ZONE in 750 white gold

41.9 mm · 18-carat white gold

41.9 mm case · Black dials · GMT watches

Ref. 136.029

Price on request

Panerai Submersible Luna Rossa

44 mm · Automatic

44 mm case · Dive watches

Ref. PAM01543

Brand price$17,800 USD

Roger Dubuis Excalibur Monotourbillon Titanium 42mm Watch RDDBEX1112 | Roger Dubuis

42mm · Titanium case with sapphire crystal and anti-reflective coating Titanium bezel Titanium crown Titanium open case back with sapphire crystal and anti-reflective coating

42 mm case · Both on bracelets · Black dials

Ref. RDDBEX1112

Price on request

Ressence TYPE 2 Grey

45 mm · Automatic

45 mm case · GMT watches

Ref. T21X-GXX1-HGA

Brand price$63,100 USD

Van Cleef & Arpels Pierre Arpels Heure d’Ici & Heure d’Ailleurs watch

42 mm · Automatic

42 mm case · GMT watches

Ref. VCARO4II00

Brand price$30,100 USD

Jaeger-LeCoultre Polaris Geographic

42 mm · Automatic

42 mm case · GMT watches

Ref. Q9078640

Brand price$19,100 USD