Omega Seamaster Planet Ocean Seamaster Planet Ocean 600M Co-Axial 42 Stainless Steel / Red Gold / Diamond / White / Alligator

Reference 222.28.42.20.04.001

Omega Seamaster Planet Ocean 600M Co-Axial 42 Stainless Steel / Red Gold / Diamond / White / Alligator

About this watch

The Omega Seamaster Planet Ocean 600M Co-Axial 42 is a masterpiece of horology, boasting impeccable craftsmanship and innovative technology. This luxury timepiece perfectly balances elegance with functionality, making it suitable for both casual wear and formal occasions. At its heart lies the Omega caliber 2500, an automatic movement featuring the groundbreaking Co-Axial escapement that minimizes friction and enhances accuracy. The combination of stainless steel and red gold gives the watch a unique flair, while the gem-set bezel adds an element of opulence. The stunning white dial adorned with mixed indexes offers easy readability, and the arrow-style hands add a sporty touch to its overall aesthetic. With a diameter of 42.00 mm, this watch strikes a perfect balance between size and comfort. Its impressive water resistance of 600 meters makes it ready for any adventure, while the luxurious alligator leather strap ensures a comfortable fit on your wrist. Whether you're diving in the ocean or attending a black-tie event, the Seamaster Planet Ocean complements any wardrobe with its understated elegance.

Buy Now on Jomashop

This is an affiliate link

Key Features

Omega caliber 2500 automatic movement
Co-Axial escapement for precision and durability
600m water resistance for deep-sea exploration
Luxurious materials: stainless steel and red gold
Stunning white dial with mixed indexes and arrow-style hands
Comfortable alligator leather strap
Discreet yet easily readable date display

Specifications

Brand

Omega

Family

Seamaster Planet Ocean

Model

Seamaster Planet Ocean 600M Co-Axial 42 Stainless Steel / Red Gold / Diamond / White / Alligator

Reference

222.28.42.20.04.001

Movement

2500

Movement Features

Hours, Minutes, Seconds
Date
Co-Axial Escapement, Chronometer

Case

42mm

Dial Color

White

Crystal

Sapphire

Water Resistance

600

Current Listings

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

Active

View listing on r/WatchExchange

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

Active

View listing on r/WatchExchange

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

Active

View listing on r/WatchExchange

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

Active

View listing on r/WatchExchange

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

Active

View listing on r/WatchExchange

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

Active

View listing on r/WatchExchange

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

Active

View listing on r/WatchExchange

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

Active

View listing on r/WatchExchange