Omega Seamaster Planet Ocean Seamaster Planet Ocean 600M Co-Axial 42 Stainless Steel / Black / Alligator

Reference 2901.50.37

Omega Seamaster Planet Ocean 600M Co-Axial 42 Stainless Steel / Black / Alligator

About this watch

The Omega Seamaster Planet Ocean 600M Co-Axial 42, reference 2901.50.37, is a luxury watch that embodies adventure and precision. Its stunning stainless steel case features polished and brushed finishes, adding a layer of sophistication. The black dial with luminous markers and hands ensures readability in low-light conditions, while the rotating bezel allows for tracking elapsed time underwater. Powered by the reliable Omega caliber 2500 automatic movement, this watch provides stable and accurate timekeeping. The Co-Axial escapement reduces friction between components, leading to improved accuracy and longevity. With a water resistance of 600 meters, this watch is suitable for serious divers and can handle extreme conditions. Its versatility makes it perfect for both casual and formal occasions, while the alligator leather strap adds a touch of luxury. This watch strikes a balance between boldness and wearability, making it a statement piece that's hard to ignore.
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MSRP: $3,200
Market Price: $3,270

Key Features

  • Stainless steel case with polished and brushed finishes
  • Black dial with luminous markers and hands
  • Rotating bezel for tracking elapsed time underwater

Specifications

Brand
Omega
Family
Seamaster Planet Ocean
Model
Seamaster Planet Ocean 600M Co-Axial 42 Stainless Steel / Black / Alligator
Reference
2901.50.37
Movement
2500
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Co-Axial Escapement, Chronometer
Case
Stainless Steel 42mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
600

Current Listings

[WTS] Omega Seamaster Planet Ocean 600M Ref. 232.30.38.20.01.001 – Full Set | $4,000

Omega Seamaster Planet Ocean 600M Ref. 232.30.38.20.01.001 – Full Set | $4,000

Omega - 232.30.38.20.01.001 · $4,000
The Omega Seamaster Planet Ocean 600M Ref. 232.30.38.20.01.001 is a smaller version of the popular diver model, featuring a 37.5mm case, black dial, ceramic bezel, and 600m water resistance. It's powered by the Omega 8520 co-axial movement and comes with a steel bracelet.

  • Condition: Very good, pretty much new with minor usage marks on the case and bracelet
  • Case size: 37.5mm diameter
  • Movement: Omega 8520, co-axial automatic with 28 jewels, 25,200 bph, and a 50-hour power reserve
  • Water resistance: 600m
Posted at
Apr 9, 2026, 1:22 PM
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[WTS] Omega Seamaster Planet Ocean 45.5mm Black Dial Stainless 232.30.46.21.01.001

Omega Seamaster Planet Ocean 45.5mm Black Dial Stainless 232.30.46.21.01.001

Omega - 232.30.46.21.01.001 · $4,020
The Omega Seamaster Planet Ocean 600M is a rugged yet stylish dive watch built for adventure, featuring a 45.5 mm stainless steel case and a bold black dial with luminous hands and markers.

  • Condition: Excellent pre-owned
  • Bracelet size: 7.75 inches
  • Case condition: Little to no wear
  • Bezel condition: Little to no wear
Posted at
Apr 9, 2026, 12:40 PM
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[WTS] OMEGA Seamaster Planet Ocean GMT 600M Black Dial Co-Axial 232.32.44.22.01.001

OMEGA Seamaster Planet Ocean GMT 600M Black Dial Co-Axial 232.32.44.22.01.001

OMEGA - 232.32.44.22.01.001 · $4,980
The Omega Seamaster Planet Ocean GMT is a bold, highly capable dive watch that blends rugged functionality with everyday versatility.

  • Condition: Excellent preowned condition
  • Case size: 44mm diameter
  • Movement: Omega Co-Axial caliber 8605 automatic
Posted at
Apr 9, 2026, 10:37 AM
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[WTS] Omega Seamaster Planet Ocean 600M - 43.5mm Blue Dial 215.30.44.21.03.001

Omega Seamaster Planet Ocean 600M - 43.5mm Blue Dial 215.30.44.21.03.001

Omega - 215.30.44.21.03.001 · $4,620
The Omega Seamaster Planet Ocean 600M is a bold diver’s watch with a deep blue dial and ceramic bezel, powered by the METAS-certified Co-Axial Master Chronometer Caliber 8900. It features top-tier accuracy, magnetic resistance, and 600 meters of water resistance.

  • Condition: Excellent pre-owned
  • Case size: 43.5mm
  • Water resistance: 600m
  • Bracelet length: 7.5 inches
Posted at
Apr 9, 2026, 10:32 AM
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[WTS] Omega Seamaster Planet Ocean 600M - 43.5mm Blue Dial 215.30.44.21.03.001

Omega Seamaster Planet Ocean 600M - 43.5mm Blue Dial 215.30.44.21.03.001

Omega - 215.30.44.21.03.001
  • Model: Planet Ocean 600M
  • Case size: 43.5mm diameter
  • Dial color: Blue
Posted at
Apr 9, 2026, 10:32 AM
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[WTS][US] Omega Seamaster Planet Ocean 600m - Black Dial - 45.5mm - 232.30.46.21.01.001 - Full Set

[US] Omega Seamaster Planet Ocean 600m - Black Dial - 45.5mm - 232.30.46.21.01.001 - Full Set

Omega - 232.30.46.21.01.001 · $4,525
This Omega Seamaster Planet Ocean features a black dial and measures 45.5mm in diameter.

  • Condition: Fantastic, minor hairlines on case, clasp, or bracelet
  • Case diameter: 45.5mm
  • Water resistance: 600m
Posted at
Apr 9, 2026, 7:53 AM
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[WTS] OMEGA Seamaster Planet Ocean 600M 215.30.44.21.01.002 44mm Box + Papers

OMEGA Seamaster Planet Ocean 600M 215.30.44.21.01.002 44mm Box + Papers

OMEGA - 215.30.44.21.01.002 · $4,800
This Omega Seamaster Planet Ocean 600M is a modern dive watch featuring a 44mm case, ceramic bezel, and Master Chronometer movement certified by METAS. The black dial with orange accents gives the watch a sporty, modern look.

  • Condition: Very good, with light signs of wear from normal use
  • Case size: 44mm diameter
  • Movement: Omega Co-Axial Master Chronometer Calibre 8900
  • Water resistance depth rating: 600m / 2000ft
Posted at
Apr 8, 2026, 2:12 PM
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[WTS] 2025 Omega Seamaster Planet Ocean 600m 43.5mm Blue 215.30.44.21.03.001 Full Set - $5,295

2025 Omega Seamaster Planet Ocean 600m 43.5mm Blue 215.30.44.21.03.001 Full Set - $5,295

Omega - 215.30.44.21.03.001 · $5,295
Up for sale is a Omega Seamaster Planet Ocean 600m 43.5mm Blue watch, with the reference number 215.30.44.21.03.001, manufactured in 2025.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2025
  • Contents: Watch, Inner & Outer Box, Card Holder, International Warranty Card, Pictograms Card, Master Chronometer Card, Instructions Manual
Posted at
Apr 8, 2026, 1:14 PM
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[WTS] 2021 Omega Seamaster Planet Ocean Blue Dial on Bracelet 215.30.44.21.03.001 B+P

2021 Omega Seamaster Planet Ocean Blue Dial on Bracelet 215.30.44.21.03.001 B+P

Omega - 215.30.44.21.03.001 · $4,700
The Omega Seamaster Planet Ocean 215.30.44.21.03.001 is a great-looking dive watch with a deep blue dial and orange accents, built in a 43.5mm stainless steel case.

  • Condition: Excellent
  • Case diameter: 43.5mm
  • Crystal material: Sapphire
  • Bracelet material: Stainless Steel
Posted at
Apr 8, 2026, 12:58 PM
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