Omega Seamaster Planet Ocean Seamaster Planet Ocean 600M Co-Axial 45.5 Mécanique 16 Sapphires

Reference 2905.50.38

Omega Seamaster Planet Ocean 600M Co-Axial 45.5 Mécanique 16 Sapphires

About this watch

The Omega Seamaster Planet Ocean 2905.50.38 is a masterpiece of luxury watchmaking, blending robust design with superior movement and luxurious materials. This diving watch exudes sophistication, featuring a stunning blue color, gem-set bezel, and mother-of-pearl dial that reflects light beautifully. The Omega caliber 2500 automatic movement enhances precision and reduces friction, while the sapphire glass provides scratch-resistance. With its impressive water resistance of 600 meters, this watch is built for serious divers and suitable for both casual and formal occasions.

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Key Features

Omega Caliber 2500 Automatic Movement
Water Resistance up to 600 Meters
White Gold and Stainless Steel Construction
Gem-Set Bezel with Sapphire Glass
Mother-of-Pearl Dial with Mixed Indexes
Chronometer-Certified for Precision Timekeeping

Specifications

Brand

Omega

Family

Seamaster Planet Ocean

Model

Seamaster Planet Ocean 600M Co-Axial 45.5 Mécanique 16 Sapphires

Reference

2905.50.38

Movement

2500

Movement Features

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

Case

45.5mm

Dial Color

Blue

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

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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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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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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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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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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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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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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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