Omega Seamaster Planet Ocean Seamaster Planet Ocean 600M Co-Axial 42 Mécanique 6 Sapphires/ Short Strap

Reference 2916.50.48

Omega Seamaster Planet Ocean 600M Co-Axial 42 Mécanique 6 Sapphires/ Short Strap

About this watch

The Omega Seamaster Planet Ocean 600M Co-Axial is a masterclass in luxury watchmaking, blending rugged sophistication with advanced technology. Its 42mm round case, crafted from stainless steel and adorned with white gold accents, offers a luxurious feel. The gem-set bezel adds a touch of glamour, while the blue mother-of-pearl dial catches the light beautifully. With a sapphire crystal and water resistance of 600 meters, this watch is built for adventure. At its core lies the Omega Caliber 2500 movement, boasting a power reserve of 48 hours and Co-Axial escapement technology. This timepiece embodies luxury, functionality, and style, making it a remarkable achievement in the world of watches.

Buy Now on Jomashop

This is an affiliate link

Key Features

42mm round case
Stainless steel and white gold construction
Gem-set bezel
Blue mother-of-pearl dial
Sapphire crystal
600m water resistance
Omega Caliber 2500 movement

Specifications

Brand

Omega

Family

Seamaster Planet Ocean

Model

Seamaster Planet Ocean 600M Co-Axial 42 Mécanique 6 Sapphires/ Short Strap

Reference

2916.50.48

Movement

2500

Movement Features

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

Case

42mm

Dial Color

Blue

Crystal

Sapphire

Water Resistance

600

Current Listings

Omega Seamaster Planet Ocean 600M – 1st Gen – 42mm

Omega - 2201.51.00 · $2,950

The Omega Seamaster Planet Ocean 600M is a 42mm stainless steel dive watch with a black matte dial and orange accents, featuring an automatic chronometer movement and 600-meter water resistance.

Condition: Excellent condition
Case size: 42mm diameter
Movement: Omega Calibre 2500 automatic chronometer
Water resistance: 600m

Posted at

Jan 15, 2026, 3:32 PM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean GMT “Oreo” - 215.30.44.22.01.001 - Price Reduced!

Omega - 215.30.44.22.01.001 · $4,850

This Omega Seamaster Planet Ocean GMT features a 43.5mm case size and a 'Oreo' dial configuration.

Condition: very good with minor wear
Size: 43.5mm diameter
Water Resistance: 300m depth rating

Posted at

Jan 15, 2026, 12:35 PM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean 600M Chrono 215.30.46.51.99.001 Grey 45mm 2025

Omega - 215.30.46.51.99.001 · $7,725

The Omega Seamaster Planet Ocean Chronograph is a modern watch that balances wrist presence and comfort, featuring a 45.5mm stainless steel case and Calibre 9900 automatic movement.

Condition: Excellent, near mint condition with faint wear on the bracelet, case, and strap
Case Size: 45.5mm diameter
Water Resistance: 600m depth rating
Movement: Calibre 9900, automatic, Master Chronometer

Posted at

Jan 14, 2026, 3:46 PM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean Titanium - 42mm - Complete Set

Omega - 232.90.42.21.03.001 · $4,650

The Omega Seamaster Planet Ocean 600M is a titanium watch with a blue ceramic case, 42mm size, and a water resistance of 600 meters / 2000 feet. It comes with various accessories and is in excellent condition.

Condition: Excellent all-around condition
Case material: blue ceramic - titanium
Bracelet type: titanium bracelet
Water resistance: 600m / 2000ft

Posted at

Jan 14, 2026, 11:24 AM

Active

View listing on r/WatchExchange

2025 Omega Seamaster Planet Ocean 18k Sedna Gold 45.5 600m GMT 215.63.46.22.01.001

Omega - 215.63.46.22.01.001 · $72,500

Water resistance depth rating: 600m
Case material: 18k Sedna Gold

Posted at

Jan 14, 2026, 9:23 AM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean Ultra Deep 215.30.46.21.04.001 $7,999

Omega - 215.30.46.21.04.001 · $7,999

The Omega Seamaster Planet Ocean Ultra Deep is a technically impressive dive watch with a staggering 6,000-meter depth rating, high-performance engineering, and oversized dimensions.

Condition: Minty condition, excellent time keeping
Case Diameter: 45 mm
Lug Width: 22 mm
Lug To Lug: 51.9mm

Posted at

Jan 13, 2026, 1:50 PM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean 43.5MM Blue 215.30.44.21.03.001 - Box and Ebay Authentication Card - $4000 Shipped

Omega - 215.30.44.21.03.001 · $4,000

This Omega Seamaster Planet Ocean is a 43.5mm stainless steel watch with a blue ZrO₂ ceramic dial and bezel, powered by the Caliber 8900 Co-Axial Master Chronometer movement, rated to 600m/2000ft.

Condition: Excellent overall with minor wear and hairlines
Case size: 43.5mm diameter
Water resistance: 600m/2000ft
Movement: Caliber 8900 Co-Axial Master Chronometer (60-hour power reserve)

Posted at

Jan 12, 2026, 11:03 AM

Active

View listing on r/WatchExchange

Omega Seamaster Planet Ocean GMT 600M “Oreo” - 215.30.44.22.01.001

Omega - 215.30.44.22.01.001 · $5,650

This Omega Seamaster Planet Ocean GMT 600M 'Oreo' comes with additional accessories and is in very good condition, with some damage to the outer cardboard box.

Condition: very good pre-owned condition
Box Condition: outer box has some damage
Accessories: includes inner box, warranty, pictogram/master chrono cards, instruction booklet, AD purchase receipt

Posted at

Jan 9, 2026, 11:13 AM

Active

View listing on r/WatchExchange

2018 OMEGA Seamaster Planet Ocean PyeongChang Limited Edition 522.32.44.21.03.001 - Full set

OMEGA - 522.32.44.21.03.001 · $5,898

A limited edition Seamaster Planet Ocean 600M created for the 2018 Olympic Winter Games, featuring a bold and sporty design with elegant luxury presence, available in two different strap options.

Condition: Very good pre-owned condition with little signs of wear, including a barely visible imperfection on the crystal just to the left of the date window.
Case material: Stainless steel
Strap options: Blue rubber strap with red accents and stainless steel bracelet
Water resistance: 600M

Posted at

Jan 8, 2026, 2:14 PM

Active

View listing on r/WatchExchange