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Alternatives to Omega Seamaster Planet Ocean 6000M 45.5 mm, O‑MEGASTEEL on O‑MEGASTEEL, with the reasons they match.

Prices within 35% of this piece, with at least one matching specification. Case size, strap, dial color and watch type guide the order when known. One reference per brand appears before repeat brands.

Rolex logo
Rolex Deepsea
44 mm · Automatic

Similar price · 44 mm case · Dive watches

Ref. m136660-0006
Brand price$15,550 USD
Zenith logo
Zenith DEFY EXTREME DIVER
43 mm · Automatic

Similar price · 43 mm case · Dive watches

Ref. 97.9600.3620/21.I300
Brand price$13,300 USD
Oris logo
Oris Artelier Calibre 111
43 mm · Manual winding

Similar price · 43 mm case · White dials

Ref. 01-111-7700-6061-Set-1-23-78
Brand price$15,500 USD
Grand Seiko logo
Grand Seiko SBGC253
44.5 mm · Spring Drive

Similar price · 44.5 mm case

Ref. SBGC253
Brand price$13,200 USD
TAG Heuer logo
TAG Heuer Carrera
44 mm · Automatic

Similar price · 44 mm case

Ref. CBU2050.FT6273
Brand price$15,000 USD
Norqain
Norqain Wild ONE Skeleton Red Gold
39MM · NORQAIN Calibre NN08S

Similar price · White dials

Ref. N3001.07G01.W01.R02
14% lower than in Jun 2026−$2,860 · Jun 17, 2026 – Oct 23, 2026
Brand price$17,890 USD