Omega Seamaster Planet Ocean Seamaster Planet Ocean 600M Co-Axial 42 Stainless Steel / Black / Rubber

Reference 2901.50.91

Omega Seamaster Planet Ocean 600M Co-Axial 42 Stainless Steel / Black / Rubber

About this watch

The Omega Seamaster Planet Ocean 2901.50.91 is a masterpiece of luxury watchmaking, boasting a robust design, advanced movement technology, and exceptional water resistance. The watch's black dial, set against the stainless steel case, exudes sophistication and sporty elegance. The Omega Caliber 2500 automatic movement incorporates Omega's Co-Axial escapement, reducing friction and ensuring greater accuracy and longevity. With a water resistance of up to 600 meters, this watch is built for performance and durability, making it an ideal companion for divers and everyday users alike. Its unique blend of style, functionality, and heritage makes the Seamaster Planet Ocean a true luxury timepiece.

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MSRP: $4,400

Market Price: $3,351

Key Features

Omega Caliber 2500 automatic movement
Co-Axial escapement for reduced friction and increased accuracy
Stainless steel case with rotating bezel and sapphire crystal
Water resistance up to 600 meters
42mm diameter with adjustable rubber strap
Black dial with luminous indexes and hands
Date function at 3 o'clock

Specifications

Brand

Omega

Family

Seamaster Planet Ocean

Model

Seamaster Planet Ocean 600M Co-Axial 42 Stainless Steel / Black / Rubber

Reference

2901.50.91

Movement

2500

Movement Features

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

Case

Stainless Steel 42mm

Dial Color

Black

Crystal

Sapphire

Water Resistance

600

Current Listings

Omega Seamaster Planet Ocean 2200.50 – 45.5mm Co-Axial – Box & Papers 💥 – $2,799 Shipped

Omega - 2200.50 · $2,799

The Omega Seamaster Planet Ocean Ref. 2200.50 is a Co-Axial dive model featuring a matte black dial with luminous broad-arrow hands, applied indices, and glossy black bezel.

Condition: Excellent overall with light surface hairlines on case and bracelet from normal wear
Case size: 45.5mm diameter
Water resistance: 600m / 2000ft depth rating

Posted at

Oct 23, 2025, 9:53 AM

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Omega Seamaster Planet Ocean Chronograph 45.5mm Orange 2218.50

Omega - 2218.50 · $2,499

This Omega Seamaster Planet Ocean Chronograph features a 45.5mm case and is equipped with a chronograph function. It has been used and could benefit from a service to improve its accuracy.

Condition: Pre-owned, minor scratches
Depth rating: 600m
Bracelet type: Aftermarket
Movement accuracy: -20 sec per day

Posted at

Oct 21, 2025, 5:48 PM

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OMEGA Seamaster Planet Ocean Diver, XL 45.5MM, Automatic Black Dial, SS Bracelet 2200.50

OMEGA - 2200.50 · $3,800

The OMEGA Seamaster Planet Ocean is a serious diver with a 45.5mm steel presence, black dial, and 600 meters of water resistance.

Condition: preowned with minor flaws (swirls on dial)
Bracelet material: SS
Water resistance: 600m

Posted at

Oct 21, 2025, 4:00 PM

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OMEGA Seamaster Planet Ocean 600M

OMEGA - Seamaster Planet Ocean 600M · $4,400

A brand new Omega Seamaster Planet Ocean 600M purchased from an Authorized Dealer in 2021, serviced by Omega in 2023 and showing normal light wear.

Condition: Excellent condition, lightly worn from desk use
Purchase Year: 2021
Serviced By: Omega
Bezel Replaced: due to slight looseness

Posted at

Oct 21, 2025, 2:31 PM

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