Omega Seamaster Planet Ocean Seamaster Planet Ocean 600M Co-Axial 43.5 Master Chronometer Stainless Steel / White / NATO

Reference 215.32.44.21.04.001

Omega Seamaster Planet Ocean 600M Co-Axial 43.5 Master Chronometer Stainless Steel / White / NATO

About this watch

The Omega Seamaster Planet Ocean 600M Co-Axial 43.5 is an exceptional luxury timepiece that embodies precision, elegance, and functionality. Its stunning design features a round stainless steel case measuring 43.5 mm in diameter, paired with a white ceramic dial that exudes a clean and contemporary look. The watch boasts a unidirectional rotating bezel made of durable ceramic, ensuring longevity and scratch resistance. The sapphire crystal provides an unobstructed view of the dial while being resistant to scratches and impacts. At its heart lies the Omega Caliber 8900, an automatic movement that showcases remarkable engineering. This METAS-certified chronometer offers a 60-hour power reserve, featuring a free-sprung balance with a silicon balance spring for enhanced accuracy and performance. With a water resistance rating of 600 meters, this watch is designed for serious divers, making it an ideal choice for those who dare to venture into the unknown.

Buy Now on Jomashop

This is an affiliate link

Key Features

Omega Caliber 8900 movement
Stainless steel case with white ceramic dial
Unidirectional rotating bezel with durable ceramic
Sapphire crystal for scratch resistance
600 meters water resistance
METAS-certified chronometer

Specifications

Brand

Omega

Family

Seamaster Planet Ocean

Model

Seamaster Planet Ocean 600M Co-Axial 43.5 Master Chronometer Stainless Steel / White / NATO

Reference

215.32.44.21.04.001

Movement

8900

Movement Features

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

Case

Stainless Steel 43.5mm

Dial Color

White

Crystal

Sapphire

Water Resistance

600

Current Listings

OMEGA SEAMASTER PLANET OCEAN 600M CERAMIC GMT 46MM - EXCELLENT - 215.92.46.22.01.004 - BOX/PAPERS

OMEGA - 215.92.46.22.01.004 · $7,571

A powerhouse professional diver crafted in black ceramic, featuring 600m water resistance, GMT functionality, and Omega's Master Chronometer movement.

Condition: Excellent
Case size: 46mm diameter
Movement type: Automatic GMT
Water depth rating: 600m

Posted at

Feb 1, 2026, 10:44 AM

Active

View listing on r/WatchExchange

OMEGA SEAMASTER PLANET OCEAN 600M 44MM GREY - 215.32.44.21.01.002 - EXCELLENT - BOX/PAPERS

OMEGA - 215.32.44.21.01.002 · $6,271

A professional-grade dive watch featuring a sleek grey dial, 600m water resistance and refined modern styling.

Condition: Excellent
Movement: Master Chronometer automatic movement
Case size: 44mm diameter
Water resistance: 600m

Posted at

Feb 1, 2026, 10:35 AM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean 600M GMT - Solid 18K Red Gold - Ref: 232.63.44.22.01.001

Omega - 232.63.44.22.01.001 · $19,000

A heavy-hitter for any collector, this Omega Seamaster Planet Ocean 600M GMT in Solid 18K Red Gold features the Calibre 8615 movement with a solid gold balance bridge and a water resistance of 600m.

Case Diameter: 43.5mm
Material: Solid 18K Red Gold
Movement Type: Omega Co-Axial Calibre 8615

Posted at

Jan 31, 2026, 4:07 PM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean 8500 45.5mm 232.30.46.21.01.001

Omega - 232.30.46.21.01.001

Posted at

Jan 31, 2026, 4:08 AM

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 Orange features a 45.5mm case with an orange bezel and is presented on an OEM mesh/milanese bracelet.

Condition: Near mint
Bracelet type: mesh/milanese
Case size: 45.5mm

Posted at

Jan 31, 2026, 4:06 AM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean (215.30.44.21.01.001)

Omega - 215.30.44.21.01.001

For sale is my Omega Seamaster Planet Ocean.

Model name: Seamaster Planet Ocean

Posted at

Jan 30, 2026, 5:44 PM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean 45.5mm 215.33.46.51.03.001 Blue Dial - $4,400

Omega - 215.33.46.51.03.001 · $4,400

This listing is for an Omega Seamaster Planet Ocean Chronograph 45.5mm with a blue ceramic dial. The watch comes in excellent condition and includes original Omega packaging, pictograms, master chronometer cards, operating instructions, and a blue alligator leather strap.

Condition: Excellent overall condition
Case Size: 45.5mm diameter
Water Resistance: not specified
Strap Material: blue alligator leather

Posted at

Jan 30, 2026, 2:20 PM

Active

View listing on r/WatchExchange

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

Active

View listing on r/WatchExchange

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

Active

View listing on r/WatchExchange