Omega Seamaster Planet Ocean Seamaster Planet Ocean 600M Co-Axial 45.5 Master Chronometer Chronograph Stainless Steel / Sedna Gold / Blue / Bracelet

Reference 215.20.46.51.03.001

Omega Seamaster Planet Ocean 600M Co-Axial 45.5 Master Chronometer Chronograph Stainless Steel / Sedna Gold / Blue / Bracelet

About this watch

The Omega Seamaster Planet Ocean 600M Co-Axial 45.5 Master Chronometer Chronograph is a true masterpiece, combining stunning design and exceptional movement in one luxurious package. Crafted from high-quality materials, this watch features a combination of stainless steel and Sedna Gold, with a unique alloy that combines the warmth of gold with durability. The blue ceramic bezel paired with Sedna Gold accents creates a beautiful contrast that is both luxurious and sporty. With a 45.5 mm diameter and a striking blue color, it's designed for those who appreciate the finer things in life and want a timepiece that can handle the depths of the ocean. The Omega caliber 9900 movement is a game-changer, receiving METAS certification and offering precision, reliability, and exceptional performance. With a power reserve of 60 hours and a frequency of 28,800 vibrations per hour, this watch is designed for those who live life on the go. The chronograph feature ensures smooth and precise timing, while the impressive water resistance of 600 meters makes it perfect for divers and adventurers. Whether you're an avid diver or just someone who appreciates high-quality watches, this timepiece is sure to impress.
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MSRP: $19,500
Market Price: $11,893

Key Features

  • Omega caliber 9900 movement with METAS certification
  • Rotating blue ceramic bezel with Sedna Gold accents
  • 600 meters water resistance for divers and adventurers
  • Chronograph functionality for precise timing
  • Durable materials, including stainless steel and Sedna Gold
  • 45.5 mm diameter case size
  • Sapphire crystal for scratch resistance and clarity

Specifications

Brand
Omega
Family
Seamaster Planet Ocean
Model
Seamaster Planet Ocean 600M Co-Axial 45.5 Master Chronometer Chronograph Stainless Steel / Sedna Gold / Blue / Bracelet
Reference
215.20.46.51.03.001
Movement
9900
Movement Features
  • Hours, Minutes, Small Seconds
  • Date
  • Chronograph, Column wheel
  • Chronometer, Co-Axial Escapement
Case
45.5mm
Dial Color
Blue
Crystal
Sapphire
Water Resistance
600

Current Listings

[WTS] Omega Seamaster Planet Ocean “Oreo” 43.5mm

Omega Seamaster Planet Ocean “Oreo” 43.5mm

Omega - 215.33.44.22.01.001 · $6,395
Up for sale is my Omega Seamaster Planet Ocean GMT with the black/white 'Oreo' bezel, a great modern Planet Ocean with strong wrist presence but still very wearable.

  • Condition: Excellent
  • Case size: 43.5mm
  • Material: leather (strap)
  • Additional items: inner and outer boxes, papers, booklet
Posted at
Jan 29, 2026, 12:12 PM
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[WTS] Omega Seamaster Planet Ocean Titanium - 42mm - Set Under Warranty

Omega Seamaster Planet Ocean Titanium - 42mm - Set Under Warranty

Omega - 232.90.42.21.03.001 · $4,750
This Omega Seamaster Planet Ocean 600M in a titanium case and 42mm size features a robust yet lightweight design, with water resistance up to 2000 feet.

  • Condition: Excellent all-around condition
  • Case material: titanium
  • Bracelet material: titanium
  • Water resistance: 200m / 2000 feet
Posted at
Jan 28, 2026, 6:34 PM
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[WTS] Omega Seamaster Planet Ocean 600M – 43.5mm – $4,800

Omega Seamaster Planet Ocean 600M – 43.5mm – $4,800

Omega - 215.30.44.21.01.002 · $4,800
This Omega Seamaster Planet Ocean is a stainless steel watch featuring a black dial, orange accents, and a ceramic bezel. It has a water resistance of 600m and comes with a full bracelet.

  • Condition: Very good overall condition with light handling marks consistent with careful use.
  • Case Size: 43.5mm
  • Water Resistance: 600m / 2000ft
  • Movement: Co-Axial Master Chronometer (METAS)
Posted at
Jan 28, 2026, 5:52 PM
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[WTS] Omega Seamaster Planet Ocean 600M 232.30.42.21.01.003 | 2024 Full Set

Omega Seamaster Planet Ocean 600M 232.30.42.21.01.003 | 2024 Full Set

Omega - 232.30.42.21.01.003 · $3,750
A 2024 Omega Seamaster Planet Ocean 600M in great condition, with a mark on the crystal near the 9 o'clock marker.

  • Condition: Pre-Owned, Great Condition with minor mark on the crystal
  • Serial number: 310+ AMP
  • Service history: Unknown
  • Adjustment: +3 seconds per day
Posted at
Jan 27, 2026, 11:35 PM
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[WTS] 2025 Omega Seamaster Planet Ocean 600m Green Bezel 215.32.44.21.06.001 Full Set

2025 Omega Seamaster Planet Ocean 600m Green Bezel 215.32.44.21.06.001 Full Set

Omega - 215.32.44.21.06.001 · $5,600
This is an Omega Seamaster Planet Ocean 600m Green Bezel, featuring a stainless steel case with a diameter of 43.5mm.

  • Condition: very nice previously owned
  • Depth rating: 600m
  • Year: 2025
  • Bezel color: green
Posted at
Jan 27, 2026, 8:11 PM
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[WTS] Omega Seamaster Planet Ocean GMT “Oreo” – Ref. 215.30.44.22.01.001 – Full Set – Mint

Omega Seamaster Planet Ocean GMT “Oreo” – Ref. 215.30.44.22.01.001 – Full Set – Mint

Omega - 215.30.44.22.01.001 · $6,350
This Omega Seamaster Planet Ocean GMT 'Oreo' features a black dial and a black & white ceramic GMT bezel, set in a stainless steel case with a diameter of 43.5mm.

  • Condition: Mint overall condition with one minor scratch on the clasp
  • Case Size: 43.5mm
  • Case Material: Stainless steel
  • Dial Color: Black
Posted at
Jan 27, 2026, 6:32 PM
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[WTS] Omega Seamaster Planet Ocean - New generation with the Blue Ceramic Bezel - B&P

Omega Seamaster Planet Ocean - New generation with the Blue Ceramic Bezel - B&P

Omega - 217.30.42.21.01.002 · $7,600
This listing features a brand-new Omega Seamaster Planet Ocean with a blue ceramic bezel. The watch has been well-maintained and includes all original accessories, such as the box, papers, warranty cards, hang tag, extra links, and an insurance appraisal from the AD setting the replacement value at $9,200.

  • Condition: Pre-owned, minor marks on the clasp and some links, otherwise as new
  • Bracelet size: 7.1-inch (18 cm)
  • Warranty cards included: true
  • Insurance appraisal value: 9200
Posted at
Jan 27, 2026, 12:56 PM
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[WTS] Omega Seamaster Planet Ocean Chronograph full kit

Omega Seamaster Planet Ocean Chronograph full kit

Omega - 215.30.46.51.01.001 · $4,999
This is a 2023 model year Omega Seamaster Planet Ocean Chronograph, featuring 600M water resistance and various functions such as jump hour capabilities and chronograph functions. The watch has a 45.5mm diameter and comes in a full kit.

  • Condition: great shape with noticeable marks on bezel and bracelet wear
  • Water resistance: 600m
  • Diameter: 45.5mm
  • Warrenty: 18 months remaining
Posted at
Jan 25, 2026, 5:35 PM
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[WTS] OMEGA SEAMASTER PLANET OCEAN 600M 44MM GREY DIAL - 215.32.44.21.01.002 - BOX & PAPERS - EXCELLENT CONDITION

OMEGA SEAMASTER PLANET OCEAN 600M 44MM GREY DIAL - 215.32.44.21.01.002 - BOX & PAPERS - EXCELLENT CONDITION

OMEGA - 215.32.44.21.01.002 · $6,271
This Omega Seamaster Planet Ocean 600M features a sleek grey dial and bezel, with 600m water resistance and OMG's M@ster Chr0nometer movement.

  • Condition: Excellent
  • Case size: 44mm diameter
  • Water resistance: 600m depth rating
  • Movement: Automatic
Posted at
Jan 25, 2026, 12:51 PM
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