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

Reference 222.18.46.20.01.001

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

About this watch

The Omega Seamaster Planet Ocean 600M Co-Axial 45.5 is a masterpiece of horological excellence, blending style and functionality in a single piece. With its stunning diamond-set bezel and deep black dial, this watch exudes sophistication and elegance. The mixed indexes and arrow hands enhance readability, while the co-axial escapement ensures accuracy and reduced maintenance. Water-resistant up to 600m, this timepiece is perfect for divers and water sports enthusiasts who demand reliability and style. Whether you're heading to the office or a weekend getaway, this watch will undoubtedly make a lasting impression. At its heart lies the Omega caliber 2500 automatic movement, boasting a power reserve of approximately 48 hours and exceptional quality craftsmanship.
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MSRP: $17,400
Market Price: $6,458

Key Features

  • Omega Caliber 2500 Automatic Movement
  • Co-Axial Escapement for Enhanced Accuracy
  • 600m Water Resistance for Professional Diving
  • Stainless Steel Case with Diamond-Set Bezel
  • Deep Black Dial with Mixed Indexes and Arrow Hands
  • Comfortable Alligator Leather Strap
  • 48-Hour Power Reserve

Specifications

Brand
Omega
Family
Seamaster Planet Ocean
Model
Seamaster Planet Ocean 600M Co-Axial 45.5 Stainless Steel / Diamond / Black / Alligator
Reference
222.18.46.20.01.001
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] Omega Seamaster Planet Ocean 8500 Orange 45.5mm 232.32.46.21.01.003 on Omega mesh bracelet

Omega Seamaster Planet Ocean 8500 Orange 45.5mm 232.32.46.21.01.003 on Omega mesh bracelet

Omega - 232.32.46.21.01.003 · $3,600
This Omega Seamaster Planet Ocean Orange features a 45.5mm case, comes with a new OEM mesh/milanese bracelet and has a gray bezel that was swapped for an orange one.

  • Condition: Near mint
  • Bracelet type: Omega mesh
  • Case size: 45.5mm
Posted at
Dec 20, 2025, 9:30 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 · $4,500
This Omega Seamaster Planet Ocean 8500 is a high-end diver's watch featuring a 45.5mm case size and available under warranty until November 2027.

  • Condition: exceptional condition
  • Case Size: 45.5mm
Posted at
Dec 20, 2025, 9:15 PM
Active
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[wts] Omega Seamaster Planet Ocean Chronograph 45.5mm 232.30.46.51.01.001

Omega Seamaster Planet Ocean Chronograph 45.5mm 232.30.46.51.01.001

Omega - 232.30.46.51.01.001 · $4,500
This Omega Seamaster Planet Ocean Chronograph is a 45.5mm model with various features.

  • Condition: Excellent
  • Diameter: 45.5mm
Posted at
Dec 20, 2025, 8:19 PM
Active
View listing on r/WatchExchange
[wts] Omega Seamaster Planet Ocean 8500 Orange😍🍊 45.5mm 232.32.46.21.01.001

Omega Seamaster Planet Ocean 8500 Orange😍🍊 45.5mm 232.32.46.21.01.001

Omega - 232.32.46.21.01.001 · $4,500
This Omega Seamaster Planet Ocean features a 45.5mm case and is available with full set.

  • Condition: great condition
  • Case diameter: 45.5mm
Posted at
Dec 20, 2025, 8:16 PM
Active
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[wts] Omega Seamaster Planet Ocean 2500 42.5mm 2209.50.00

Omega Seamaster Planet Ocean 2500 42.5mm 2209.50.00

Omega - 2209.50.00 · $3,400
A 42.5mm Omega Seamaster Planet Ocean 2500 is being sold in excellent condition with its original boxes and papers.

  • Condition: Great condition
  • Case size: 42.5mm
Posted at
Dec 20, 2025, 8:13 PM
Active
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[WTS] Omega Seamaster Planet Ocean “Creamsicle” - 215.30.44.21.04.001 - Travel box and papers

Omega Seamaster Planet Ocean “Creamsicle” - 215.30.44.21.04.001 - Travel box and papers

Omega - 215.30.44.21.04.001 · $4,798
The Omega Seamaster Planet Ocean 600M “Creamisicle” delivers all of the performance of Omega’s dive watch heritage highlighted by a signature eye-catching orange bezel.

  • Condition: Great pre-owned condition with minor signs of wear
  • Case size: 43.5mm
  • Depth rating: 600m (60 bar/2,000 feet)
  • Movement: Omega Master Chronometer calibre 8900 self-winding mechanical movement
Posted at
Dec 19, 2025, 5:03 PM
Active
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[WTS] Omega Seamaster Planet Ocean 2201.50

Omega Seamaster Planet Ocean 2201.50

Omega - Planet Ocean 2201.50 · $3,750
The Omega Seamaster Planet Ocean is a 42mm watch purchased through Chrono24 from a reputable seller in Japan, sold with original box and accessories.

  • Condition: 8.9/10
  • Size: 42mm diameter
  • Last service date: unknown
Posted at
Dec 18, 2025, 5:11 AM
Active
View listing on r/WatchExchange
[WTS] OMEGA SEAMASTER PLANET OCEAN 600M (2025 Model) Brand New, Unworn. 217.32.42.21.01.002. New Model

OMEGA SEAMASTER PLANET OCEAN 600M (2025 Model) Brand New, Unworn. 217.32.42.21.01.002. New Model

Omega - 217.32.42.21.01.002 · $7,850
A 2025 Omega Seamaster Planet Ocean 600M in its full set with sticker, tag, box and December 2025 card date.

  • Condition: Brand new
  • Year: 2025
  • Depth rating: 600m
Posted at
Dec 17, 2025, 11:16 PM
Active
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[WTS] Omega Seamaster Planet Ocean (Black) 39.5mm - 215.30.40.20.01.001

Omega Seamaster Planet Ocean (Black) 39.5mm - 215.30.40.20.01.001

Omega - 215.30.40.20.01.001
Posted at
Dec 17, 2025, 3:36 PM
Active
View listing on r/WatchExchange