Omega Seamaster Planet Ocean Seamaster Planet Ocean 600M Co-Axial 39.5 Master Chronometer Sedna Gold / Chocolate / Alligator

Reference 215.63.40.20.13.001

Omega Seamaster Planet Ocean 600M Co-Axial 39.5 Master Chronometer Sedna Gold / Chocolate / Alligator

About this watch

The Omega Seamaster Planet Ocean 600M Co-Axial 39.5 Master Chronometer in Sedna Gold is a masterpiece of luxury watchmaking. This stunning timepiece boasts a 39.5 mm round case crafted from 18K Sedna Gold, gleaming with warmth and perfectly complemented by the rich chocolate-colored ceramic bezel. The brown dial features mixed indexes and arrow hands, striking a balance between elegance and functionality. Protected by a sapphire crystal, the dial is resistant to scratches, ensuring the watch maintains its pristine appearance for years to come. The Omega caliber 8801 movement is a self-winding powerhouse equipped with a Co-Axial escapement, providing greater accuracy, reduced friction, and a longer lifespan. With Master Chronometer certification approved by METAS, this watch is reliable in various conditions, including resistance to magnetic fields up to 15,000 gauss. Its impressive water resistance of 600 meters makes it an excellent choice for divers and water sports enthusiasts.

Buy Now on Jomashop

This is an affiliate link

MSRP: $26,300

Market Price: $15,283

Key Features

18K Sedna Gold case
Chocolate-colored ceramic bezel
Brown dial with mixed indexes and arrow hands
Sapphire crystal protection
Omega caliber 8801 movement
Co-Axial escapement
Master Chronometer certification
600 meters water resistance

Specifications

Brand

Omega

Family

Seamaster Planet Ocean

Model

Seamaster Planet Ocean 600M Co-Axial 39.5 Master Chronometer Sedna Gold / Chocolate / Alligator

Reference

215.63.40.20.13.001

Movement

8801

Movement Features

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

Case

Sedna Gold 39.5mm

Dial Color

Brown

Crystal

Sapphire

Water Resistance

600

Current Listings

Omega Seamaster Planet Ocean 600m Summer Blue - $5,699 - Cheapest anywhere!

Omega - 215.30.40.20.03.002 · $5,699

The Omega Seamaster Planet Ocean 600m Summer Blue is a standout in the Seamaster collection, featuring a gradient dial and 600m water resistance.

Condition: Used/Great condition
Size: 39.5mm diameter
Dial: Summer Blue gradient
Caseback: Commemorative engraving of Poseidon and his seahorses

Posted at

Jan 24, 2026, 6:26 PM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean 8900 43.5mm black orange 215.32.44.21.01.001

Omega - 215.32.44.21.01.001 · $4,800

This Omega Seamaster Planet Ocean 8900 features a black and orange color scheme, housed in a 43.5mm case.

Condition: exceptional
Case Size: 43.5mm
Warranty Expiration: February 2030

Posted at

Jan 23, 2026, 9:58 PM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean 600M Chronograph – Ref. 215.32.46.51.99.001 – 45.5mm Co-Axial – $4,799 Shipped

Omega - 215.32.46.51.99.001 · $4,799

This Omega Seamaster Planet Ocean 600M Chronograph features a stainless steel case, unidirectional red ceramic bezel, sapphire crystal, and 600m water resistance. Powered by the Omega Co-Axial Master Chronometer Calibre 9900.

Condition: Great overall with some surface scuffs and hairlines on the stainless steel case
Case diameter: 45.5mm
Movement: Omega Co-Axial Master Chronometer Calibre 9900
Depth rating: 600m / 2000ft

Posted at

Jan 23, 2026, 9:36 PM

Active

View listing on r/WatchExchange

OMEGA Seamaster Planet Ocean 6000M Ultra Deep "Summer Blue" Ref. 215.30.46.21.03.002 - ULTIMATE SET! 🔥$12,500🔥

OMEGA - 215.30.46.21.03.002 · $12,500

This OMEGA Seamaster Planet Ocean 6000M Ultra Deep Ref. 215.30.46.21.03.002 represents the pinnacle of deep-sea engineering, originally developed for the Five Deeps Expedition and featuring a massive 45.5mm case crafted from high-grade stainless steel O-MEGASTEEL.

Condition: UNWORN
Case material: O-MEGASTEEL
Diameter: 45.5mm
Water resistance: 6000 meters (20,000 feet)

Posted at

Jan 23, 2026, 9:18 PM

Active

View listing on r/WatchExchange

OMEGA Seamaster Planet Ocean 600M Ref. 232.32.42.21.01.003 - COMPLETE SET! 🔥$4,250🔥

OMEGA - 232.32.42.21.01.003 · $4,250

The OMEGA Seamaster Planet Ocean 600M Ref. 232.32.42.21.01.003 is a robust and elegant dive watch that embodies OMEGA's commitment to ocean exploration and precision engineering.

Condition: [VERY GOOD] Few superficial scratches on case.
Case Size: 42mm
Water Resistance: 600m (2000ft)
Movement: Co-Axial Caliber 8500

Posted at

Jan 23, 2026, 9:17 PM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean 600M 42mm – Early Gen Classic

Omega - 2201.51.00 · $2,950

The Omega Seamaster Planet Ocean 600M is a robust dive watch with a 42mm stainless steel case, black matte dial, and orange accents.

Condition: Excellent condition
Case size: 42mm diameter
Water resistance: 600m

Posted at

Jan 23, 2026, 8:14 PM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean 8500 Orange 45.5mm 232.32.46.21.01.003 on Omega mesh bracelet

Omega - 232.32.46.21.01.003 · $3,600

This Omega Seamaster Planet Ocean features a 45.5mm case with an orange bezel, originally coming with black strap and deployant clasp but now equipped with an OEM mesh/milanese bracelet.

Condition: Near mint and full set
Bracelet type: mesh/milanese
Bezel color: orange

Posted at

Jan 23, 2026, 4:38 AM

Active

View listing on r/WatchExchange