Omega Seamaster Planet Ocean Seamaster Planet Ocean 600M Co-Axial 45.5 Stainless Steel / Black / Alligator

Reference 2900.50.37

Omega Seamaster Planet Ocean 600M Co-Axial 45.5 Stainless Steel / Black / Alligator

About this watch

The Omega Seamaster Planet Ocean 2900.50.37 is a luxury watch that embodies style, functionality, and adventure. Founded in 1848, Omega has established itself as a titan in the watch industry, known for precision, quality, and innovative technology. This timepiece features the Omega Caliber 2500 movement, a co-axial version of the ETA 2892-A2 designed to enhance accuracy and reduce friction. The black dial, adorned with luminous markers and hands, ensures readability in any environment. The watch's robust stainless steel case is comfortable on the wrist, while the sapphire crystal protects the dial from scratches and impacts. With a water resistance of 600 meters, it's built for serious divers but doesn't shy away from elegance. The Seamaster Planet Ocean 2900.50.37 is a true embodiment of the brand's dedication to excellence, blending ruggedness and elegance in its design.
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MSRP: $4,200
Market Price: $3,536

Key Features

  • Omega Caliber 2500 movement
  • 600m water resistance
  • Sapphire crystal glass
  • 45.5mm stainless steel case
  • Rotating bezel with 0-60 markings
  • Black dial with luminous markers and hands
  • 48-hour power reserve

Specifications

Brand
Omega
Family
Seamaster Planet Ocean
Model
Seamaster Planet Ocean 600M Co-Axial 45.5 Stainless Steel / Black / Alligator
Reference
2900.50.37
Movement
2500
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Co-Axial Escapement, Chronometer
Case
Stainless Steel 45.5mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
600

Current Listings

[wts] Authentic Omega 21mm seamaster planet ocean bracelet

Authentic Omega 21mm seamaster planet ocean bracelet

Omega - Seamaster Planet Ocean · $650
This Omega Planet Ocean Seamaster is available for sale, featuring a full-length bracelet with all links.

  • Condition: Like new
Posted at
Apr 28, 2025, 8:21 PM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster Planet Ocean XL 45mm Black Dial

Omega Seamaster Planet Ocean XL 45mm Black Dial

Omega - 2200.50.00 · $3,650
A timeless classic in the Seamaster catalog, the Planet Ocean XL is a do-it-all timepiece with an unmistakable profile and presence when worn.

  • Condition: Excellent pre-owned condition with faint wear on the case, bezel, and bracelet
  • Case size: 45mm diameter
  • Water resistance: 30m water resistant
  • Movement: Calibre 2500, 48 hour reserve
Posted at
Apr 28, 2025, 9:41 AM
Active
View listing on r/WatchExchange
[wts] Omega Seamaster Planet Ocean 2500 42.5mm 2201.51.00

Omega Seamaster Planet Ocean 2500 42.5mm 2201.51.00

Omega - 2201.51.00 · $3,200
This Omega Seamaster Planet Ocean is a 42.5mm watch in excellent condition, part of the 2500 collection.

  • Condition: Excellent condition and full set
Posted at
Apr 27, 2025, 6:55 PM
Active
View listing on r/WatchExchange
[wts] NEAR MINT Omega Seamaster Planet Ocean 8500 45mm 232.32.46.21.01.003 on new style OEM mesh bracelet

NEAR MINT Omega Seamaster Planet Ocean 8500 45mm 232.32.46.21.01.003 on new style OEM mesh bracelet

Omega - 232.32.46.21.01.003 · $3,600
This Omega Seamaster Planet Ocean features a 45mm case with a gray bezel, originally came with black strap and deployant clasp but now has an OEM orange bezel and a NTTD style mesh milanese bracelet.

  • Condition: Near mint
  • Bracelet: OEM mesh Milanese bracelet
  • Bezel: Gray with orange insert (originally black)
  • Strap: Swapped for new style OEM mesh milanese bracelet
Posted at
Apr 27, 2025, 6:53 PM
Active
View listing on r/WatchExchange
[wts] Omega Seamaster Planet Ocean 8500 42.5mm 232.30.42.21.01.001

Omega Seamaster Planet Ocean 8500 42.5mm 232.30.42.21.01.001

Omega - 232.30.42.21.01.001 · $3,250
This Omega Seamaster Planet Ocean is a 42.5mm watch with box and papers, available for sale.

  • Condition: Good
  • Size: 42.5mm diameter
Posted at
Apr 27, 2025, 6:44 PM
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[WTS][WTT] Omega Seamaster Planet Ocean 600M - Skyfall Limited Edition - Recent Serviced *Price Drop*

[WTT] Omega Seamaster Planet Ocean 600M - Skyfall Limited Edition - Recent Serviced *Price Drop*

Omega - 232.30.42.21.01.004 · $5,650
This Omega Seamaster Planet Ocean 600M is a limited edition watch with subtle Easter eggs and a legible dial. It features a black patterned dial, 42mm case size, and Omega's in-house caliber 8507b movement with increased anti-magnetic properties.

  • Condition: Excellent, recently serviced
  • Water resistance: 600m (~2000ft)
  • Case size: 42mm
  • Movement: Omega Caliber 8507b (in-house)
Posted at
Apr 27, 2025, 2:40 PM
Active
View listing on r/WatchExchange
[wts] Omega Seamaster Planet Ocean 8500 45.5mm 232.30.46.21.01.003 UNDER WARRANTY

Omega Seamaster Planet Ocean 8500 45.5mm 232.30.46.21.01.003 UNDER WARRANTY

Omega - 232.30.46.21.01.003 · $4,200
This Omega Seamaster Planet Ocean is a 45.5mm watch with a factory warranty valid until October 2026, available for sale.

  • Condition: Excellent condition
  • Warranty Valid Until: October 2026
  • Payment Methods: zelle, applepay, venmo
Posted at
Apr 27, 2025, 10:23 AM
Active
View listing on r/WatchExchange
[wts] Omega Seamaster Planet Ocean GMT 43.5mm 232.32.44.22.01.002 UNDER WARRANTY through APR 2027

Omega Seamaster Planet Ocean GMT 43.5mm 232.32.44.22.01.002 UNDER WARRANTY through APR 2027

Omega - 232.32.44.22.01.002 · $4,100
This Omega Seamaster Planet Ocean GMT is a 43.5mm model under warranty through April 2027, sold in excellent condition with box and papers.

  • Condition: Excellent
  • Case Size: 43.5mm diameter
  • Strap Condition: Mint, except for missing stitches
Posted at
Apr 27, 2025, 10:17 AM
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[WTS] Omega Seamaster Planet Ocean 600M 43.5mm Ref - 215.32.44.21.01.001

Omega Seamaster Planet Ocean 600M 43.5mm Ref - 215.32.44.21.01.001

Posted at
Apr 24, 2025, 8:26 AM
Active
View listing on r/WatchExchange