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

Reference 2901.50.47

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

About this watch

The Omega Seamaster Planet Ocean 600M Co-Axial 42 is a luxury dive watch that seamlessly blends form and function. With its striking black dial, stainless steel case, and sapphire crystal, it's a statement piece for serious divers and watch enthusiasts alike. The co-axial escapement movement offers increased precision, reduced friction, and longer intervals between servicing. With a water resistance of 600 meters, this watch is perfect for snorkeling, scuba diving, or simply enjoying the pool. The alligator leather strap adds a touch of luxury while ensuring comfort and versatility. Whether you're attending high-profile events or exploring the ocean's depths, this watch tells your story with style and sophistication.

Buy Now on Jomashop

This is an affiliate link

MSRP: $4,400

Market Price: $3,059

Key Features

Omega caliber 2500 co-axial escapement movement
42mm stainless steel case with sapphire crystal
600m water resistance suitable for serious diving
Rotating bezel for tracking immersion times
Chronometer certified for accuracy
Alligator leather strap for comfort and luxury

Specifications

Brand

Omega

Family

Seamaster Planet Ocean

Model

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

Reference

2901.50.47

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 600M 215.30.44.21.01.002 44mm Box + Papers

OMEGA - 215.30.44.21.01.002 · $4,800

This Omega Seamaster Planet Ocean 600M is a modern dive watch featuring a 44mm case, ceramic bezel, and Master Chronometer movement certified by METAS. The black dial with orange accents gives the watch a sporty, modern look.

Condition: Very good, with light signs of wear from normal use
Case size: 44mm diameter
Movement: Omega Co-Axial Master Chronometer Calibre 8900
Water resistance depth rating: 600m / 2000ft

Posted at

Apr 8, 2026, 2:12 PM

Active

View listing on r/WatchExchange

2025 Omega Seamaster Planet Ocean 600m 43.5mm Blue 215.30.44.21.03.001 Full Set - $5,295

Omega - 215.30.44.21.03.001 · $5,295

Up for sale is a Omega Seamaster Planet Ocean 600m 43.5mm Blue watch, with the reference number 215.30.44.21.03.001, manufactured in 2025.

Condition: Excellent condition with minimal signs of wear
Year: 2025
Contents: Watch, Inner & Outer Box, Card Holder, International Warranty Card, Pictograms Card, Master Chronometer Card, Instructions Manual

Posted at

Apr 8, 2026, 1:14 PM

Active

View listing on r/WatchExchange

2021 Omega Seamaster Planet Ocean Blue Dial on Bracelet 215.30.44.21.03.001 B+P

Omega - 215.30.44.21.03.001 · $4,700

The Omega Seamaster Planet Ocean 215.30.44.21.03.001 is a great-looking dive watch with a deep blue dial and orange accents, built in a 43.5mm stainless steel case.

Condition: Excellent
Case diameter: 43.5mm
Crystal material: Sapphire
Bracelet material: Stainless Steel

Posted at

Apr 8, 2026, 12:58 PM

Active

View listing on r/WatchExchange

2025 Omega Seamaster Planet Ocean 600m Titanium Blue 232.92.44.22.03.001 Full Set - $5,295

Omega - 232.92.44.22.03.001 · $5,295

A 2025 Omega Seamaster Planet Ocean 600m Titanium Blue watch, featuring a titanium case and blue dial.

Condition: Excellent condition with minimal signs of wear
Model type: Seamaster Planet Ocean 600m Titanium Blue
Water resistance: 600m depth rating
Year: 2025

Posted at

Apr 8, 2026, 12:23 PM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean 600m 45.5mm 232.30.46.21.01.002 FULL SET

Omega - 232.30.46.21.01.002 · $2,999

The Omega Seamaster Planet Ocean is a 45.5mm diver's watch with a depth rating of 600m.

Condition: Pre-owned
Case size: 45.5mm diameter
Depth rating: 600m

Posted at

Apr 7, 2026, 4:47 PM

Active

View listing on r/WatchExchange

OMEGA Seamaster Planet Ocean Chronograph 600M 45.5mm REF 215.30.46.51.01.001 Box&Papers

OMEGA - 215.30.46.51.01.001 · $5,850

A stunning Omega Seamaster Planet Ocean Chronograph with a 45.5mm case, available in complete set including inner wood box and papers.

Condition: Very good condition with light hairlines on the case
Year: 2020
Size: 45.5mm diameter
Box condition: Inner wood Omega presentation box is complete but the box and pillow are flaky

Posted at

Apr 7, 2026, 11:18 AM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean 600M 217.32.42.21.01.001 New 2026– $7000

Omega - 217.32.42.21.01.001 · $7,000

This Omega Seamaster Planet Ocean 600M is one of Omega's newest releases, a stunning and sporty watch that feels refined enough to wear anywhere.

Condition: new
Year: 2025
Retail Price: $8,600
Shipping Included: yes

Posted at

Apr 7, 2026, 9:12 AM

Active

View listing on r/WatchExchange

(Serviced) Omega Seamaster Planet Ocean Black 232.30.46.21.01.003 $2900

Omega - 232.30.46.21.01.003 · $2,900

A black Omega Seamaster Planet Ocean with a rich history of being bought and sold on this forum. The watch is in amazing condition and was barely worn since its last service.

Condition: like new, recently serviced
Previous owner's sales history: over 100 sales
Face to face sale requirement: FaceTime is required for the sale

Posted at

Apr 6, 2026, 10:41 PM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean 600M 2013 Full Set

Omega - 232.30.42.21.01.003 · $4,295

This Omega Seamaster Planet Ocean 600M is a modern professional dive watch with high-depth water resistance, in-house movement technology, and everyday wearability.

Condition: Like New
Movement: Omega Caliber 8500 Co-Axial movement
Water Resistance: 600 meters
Crystal: Sapphire

Posted at

Apr 6, 2026, 10:58 AM

Active

View listing on r/WatchExchange