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

Reference 2909.50.48

About this watch

The Omega Seamaster Planet Ocean 600M Co-Axial 42 is a luxury watch that embodies the spirit of adventure and exploration. With a water resistance of 600 meters, this watch is designed for diving enthusiasts and those who appreciate a rugged yet sophisticated look. Its robust and sporty design features a black dial paired with striking orange accents, stainless steel case, and scratch-resistant sapphire crystal. At its heart lies the Omega Caliber 2500, an automatic movement that showcases Omega's commitment to innovation, featuring a Co-Axial escapement that reduces friction between components, enhancing accuracy and longevity. The watch also boasts a comfortable alligator leather strap and is suitable for both formal and casual occasions. Its blend of features, stunning design, and Omega's renowned craftsmanship make it an ideal choice for anyone serious about horology.
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Key Features

  • Automatic movement with Co-Axial escapement
  • Impressive water resistance of up to 600 meters
  • Durable stainless steel case and scratch-resistant sapphire crystal
  • Stylish design with bold black and orange accents
  • Comfortable alligator leather strap
  • Suitable for formal and casual occasions
  • Chronometer certified movement

Specifications

Brand
Omega
Family
Seamaster Planet Ocean
Model
Seamaster Planet Ocean 600M Co-Axial 42 Stainless Steel / Orange / Alligator Short
Reference
2909.50.48
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

[WTS] Omega Seamaster Planet Ocean 2200.51 – 45mm – Full Set – $3,995

Omega Seamaster Planet Ocean 2200.51 – 45mm – Full Set – $3,995

Omega - 2200.51 · $3,995
This Omega Seamaster Planet Ocean features a 45mm stainless steel case, black dial and bezel, Co-Axial Caliber 2500 automatic movement, and 600m water resistance. It is a great everyday diver with strong build quality and classic design.

  • Condition: Very clean overall with light wear consistent with age
  • Case size: 45mm diameter
  • Movement type: Co-Axial Caliber 2500
  • Water resistance depth: 600m
Posted at
May 15, 2026, 9:11 AM
Active
[WTS] Omega Seamaster Planet Ocean 600M 43.5mm 215.30.44.21.01.001 | 2024 Box and Papers

Omega Seamaster Planet Ocean 600M 43.5mm 215.30.44.21.01.001 | 2024 Box and Papers

The Omega Planet Ocean is a high-end diver's watch with a 43.5mm case, featuring a Master Chronometer certification and 600M water resistance.

  • Condition: Great Pre-Owned
  • Case Size: 43.5mm diameter
  • Depth Rating: 600m
  • Water Resistance: 30ATM
Posted at
May 14, 2026, 7:41 PM
Active
[WTS][US] Omega Seamaster Planet Ocean 600m - Black Dial - 45.5mm - 232.30.46.21.01.001 - Full Set

[US] Omega Seamaster Planet Ocean 600m - Black Dial - 45.5mm - 232.30.46.21.01.001 - Full Set

This Omega Seamaster Planet Ocean features a black dial and measures 45.5mm in diameter.

  • Condition: Fantastic with minor hairlines on case, clasp, or bracelet
  • Case size: 45.5mm diameter
  • Water resistance: 600m depth rating
Posted at
May 14, 2026, 7:19 AM
Active
[WTS] Omega Seamaster Planet Ocean 2201.51 42mm - $2,690

Omega Seamaster Planet Ocean 2201.51 42mm - $2,690

This Omega Seamaster Planet Ocean 2201.51 is a 42mm automatic watch with an Omega Calibre 2500 movement. It has a steel case and original Omega steel bracelet.

  • Condition: Very good condition, with minimal marks/hairlines on case and bracelet
  • Case size: 42mm diameter
  • Movement: Omega Calibre 2500
  • Crystal type: AR Coating
Posted at
May 14, 2026, 4:30 AM
Active
[WTS] Omega Seamaster Planet Ocean 600M – 42mm Titanium – Mint Set

Omega Seamaster Planet Ocean 600M – 42mm Titanium – Mint Set

The Omega Seamaster Planet Ocean 600M features a titanium case and bracelet, blue ceramic bezel and dial, and an automatic chronometer movement.

  • Condition: Mint condition
  • Case size: 42mm
  • Water resistance: 2000ft / 600m
  • Movement: Omega Calibre 8500 automatic chronometer
Posted at
May 13, 2026, 12:51 PM
Active
[WTS] Omega Seamaster Planet Ocean Orange 232.30.42 42mm - $3,350 - Reserved Post for u/3twellv

Omega Seamaster Planet Ocean Orange 232.30.42 42mm - $3,350 - Reserved Post for u/3twellv

This Omega Seamaster Planet Ocean Orange features a steel case and original Omega steel bracelet. It has a clean crystal and AR coating, and all functions are working well.

  • Condition: Excellent (8.8/10) - minimal marks/hairlines on case, bezel insert and bracelet
  • Case size: 42mm diameter
  • Bracelet type: Original Omega steel bracelet
  • Bezel material: Steel
Posted at
May 13, 2026, 3:59 AM
Active
[WTS] 2019 OMEGA Seamaster Planet Ocean PyeongChang Limited Edition 522.32.44.21.03.001 - Inner box and papers

2019 OMEGA Seamaster Planet Ocean PyeongChang Limited Edition 522.32.44.21.03.001 - Inner box and papers

This Omega Seamaster Planet Ocean PyeongChang Limited Edition is a unique timepiece crafted to celebrate the 2018 Olympic Winter Games in South Korea, featuring a sporty yet elegant design and coming with two straps and an exclusive presentation box.

  • Condition: Very good pre-owned condition
  • Limited Edition Quantity: 2,018 pieces worldwide
  • Case Size: not specified
  • Bracelet Length: fits up to 7" wrist
Posted at
May 12, 2026, 11:56 PM
Active
[WTS] Omega Seamaster Planet Ocean. Box, Card. 232.32.46.21.01.003.

Omega Seamaster Planet Ocean. Box, Card. 232.32.46.21.01.003.

Omega Seamaster Planet Ocean is a high-end watch with advanced features and sleek design. It comes with a box and card, providing authenticity and added value.

  • Box: yes
  • Card: yes
Posted at
May 12, 2026, 8:05 PM
Active