Omega Seamaster Planet Ocean Seamaster Planet Ocean 600M Co-Axial 45.5 Mécanique 6 Sapphire

Reference 2906.50.38

Omega Seamaster Planet Ocean 600M Co-Axial 45.5 Mécanique 6 Sapphire

About this watch

The Omega Seamaster Planet Ocean 2906.50.38 is a masterpiece of horology that embodies the perfect blend of style, functionality, and durability. This stunning timepiece features a round case measuring 45.5 mm in diameter, crafted from a combination of white gold and stainless steel, which provides exceptional strength and scratch resistance. The gem-set bezel adds a touch of luxury, while the blue dial made of mother-of-pearl reflects light beautifully, giving it a dynamic appearance that changes with movement. The Omega Caliber 2500 automatic movement is a marvel of engineering, boasting a frequency of 25,200 vibrations per hour and chronometer certification for accuracy and precision. With a water resistance of 600 meters, this watch is ready for any aquatic adventure you can think of. Whether you're diving into the ocean or attending a business meeting, the Seamaster Planet Ocean fits right in, thanks to its versatile design and high-quality stainless steel bracelet that feels secure and comfortable on the wrist.

Buy Now on Jomashop

This is an affiliate link

Key Features

Omega Caliber 2500 automatic movement
Chronometer certification
Water resistance of 600 meters
Gem-set bezel
Blue mother-of-pearl dial
Sapphire glass
Stainless steel and white gold construction

Specifications

Brand

Omega

Family

Seamaster Planet Ocean

Model

Seamaster Planet Ocean 600M Co-Axial 45.5 Mécanique 6 Sapphire

Reference

2906.50.38

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 - 2200.50

Omega - 2200.50 · $3,300

This Omega Seamaster Planet Ocean ref. 2200.50 is the classic Co-Axial model powered by Omega caliber 2500, featuring a black dial and black bezel, along with sapphire crystal and 600m water resistance.

Condition: Pre-owned with scratches on AR coating
Water Resistance: 600m
Case Size: 45.5mm diameter
Movement: Omega caliber 2500 (Co-Axial)

Posted at

Mar 18, 2026, 10:18 AM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean Blk & Orange $5299

Omega - Seamaster Planet Ocean · $5,299

a black and orange Omega Seamaster Planet Ocean watch for sale

Color: Black & Orange

Posted at

Mar 17, 2026, 9:09 AM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean Good Planet Foundation Ref: 232.32.44.22.03.001 | Full Set

Omega - 232.32.44.22.03.001 · $4,500

A 43.5mm stainless steel Omega Seamaster Planet Ocean 600M 'Good Planet' watch with a vibrant blue dial, polished blue ceramic bezel, and orange GMT accents.

Case diameter: 43.5 mm
Thickness: 17.25 mm
Lug width: 21 mm

Posted at

Mar 16, 2026, 10:00 PM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean 600M 45.5 mm, steel on steel $3200

Omega - 2208.50.00 · $3,200

The Omega Seamaster Planet Ocean 600M is a stylish dive watch that pays homage to OMEGA’s maritime legacy, featuring a black dial with a date window and an orange unidirectional rotating divers’ bezel on a stainless steel case.

Case Diameter: 45.5 mm
Water Resistance: 600m / 60 bar
Movement Power Reserve: 48 hours

Posted at

Mar 16, 2026, 5:47 PM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean 600m, 2201.51, 42mm, Black Dial and Bezel, Steel Bracelet, Box & Papers

Omega - 2201.51 · $3,600

The Omega Seamaster Planet Ocean 600m is a classic dive watch with a functional combination of features, including a 42mm case diameter and distinctive black dial.

Condition: Very good, previously cherished condition
Case diameter: 42mm
Bracelet length: fits 7.25" wrist comfortably with 2 extra links

Posted at

Mar 16, 2026, 3:10 PM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean 600M 45.5mm Automatic Ref# 215.30.46.51.01.001 with Boxes & Papers

Omega - 215.30.46.51.01.001 · $6,900

This Omega Seamaster Planet Ocean 600M is a stylish and elegant timepiece, presented in excellent condition with all original accessories.

Condition: Clean, polished
Box Type: Inner Wooden Box and Outer White Cardboard box
Papers: 2020 dated Warranty Card,Pictogram Card,Master Chronometer Card
Shipping Method: 2nd day air insured Fedex

Posted at

Mar 15, 2026, 11:25 PM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean 2201.50 42mm Box and Cards - $3,150

Omega - 2201.50 · $3,150

Up for sale is my Omega Seamaster Planet Ocean 2201.50, a great condition watch measuring at 42mm with an automatic Omega Calibre 2500 movement.

Condition: Very good condition for its age, minor marks and hairlines on case, caseback, and bracelet
Movement: Omega Calibre 2500
Case size: 42mm
Bracelet material: Steel

Posted at

Mar 15, 2026, 9:56 PM

Active

View listing on r/WatchExchange