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 45mm 232.30.46.21.01.001 - $2999

Omega Seamaster Planet Ocean 45mm 232.30.46.21.01.001 - $2999

This Omega Seamaster Planet Ocean is listed for sale with its original box and papers.

  • Condition: The bezel and crystal are clean and clear, but the Case has some faint hairline scratches and one very small knick on the lug, with signs of wear on the bracelet.
  • Box And Papers: Yes
  • Shipping: via FedEx Ground with signature confirmation
Posted at
Jan 7, 2026, 1:34 PM
Active
[WTS] 2021 Omega Seamaster Planet Ocean 600M Full Set in excellent condition Reference 215.30.44.21.03.001

2021 Omega Seamaster Planet Ocean 600M Full Set in excellent condition Reference 215.30.44.21.03.001

This 2021 Omega Seamaster Planet Ocean 600M is a full set timepiece with various accessories, including a white outer box and inner wooden presentation box.

  • Condition: Very good preowned condition
  • Case size: 44mm diameter
  • Depth rating: 600m
Posted at
Jan 7, 2026, 11:23 AM
Active
[WTS] Omega Seamaster Planet Ocean 600M Blue Ceramic 43.5mm - Complete

Omega Seamaster Planet Ocean 600M Blue Ceramic 43.5mm - Complete

Omega - 21530442103001 · $4,500
The Omega Seamaster Planet Ocean 600M Blue Ceramic features a stainless steel case, blue ceramic dial, and unidirectional bezel with Liquidmetal diving scale. It has an automatic chronometer movement and is water resistant to 600 meters.

  • Condition: Unworn/mint condition
  • Case Size: 43.5mm
  • Movement Type: Automatic chronometer
Posted at
Jan 6, 2026, 2:31 PM
Active
[WTS] Omega Seamaster Planet Ocean GMT “Oreo” - 215.30.44.22.01.001 - Price Reduced!

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

This Omega Seamaster Planet Ocean GMT is a 43.5mm watch that features a 'very good' condition, with some light scratches on the clasp and bracelet.

  • Condition: Very good condition with minor wear
  • Size: 43.5mm diameter
  • Water Resistance: 600m depth rating
  • Movement Accuracy: +-0 seconds lost per day
Posted at
Jan 6, 2026, 2:04 PM
Active
[wts] Omega Seamaster Planet Ocean 2500 1st gen 42.5mm 2209.50.00

Omega Seamaster Planet Ocean 2500 1st gen 42.5mm 2209.50.00

Omega - 2209.50.00 · $3,400
This is a first-generation Omega Seamaster Planet Ocean, model 2500, with a 42.5mm case size.

  • Condition: great condition
  • Case Size: 42.5mm
Posted at
Jan 4, 2026, 3:05 PM
Active
[wts] Omega Seamaster Planet Ocean 8500 45.5mm 232.30.46.21.01.003 under warranty

Omega Seamaster Planet Ocean 8500 45.5mm 232.30.46.21.01.003 under warranty

This Omega Seamaster Planet Ocean 8500 is a high-end dive watch with exceptional condition and still under warranty.

  • Condition: exceptional condition
  • Warranty Valid Until: NOV 2027
Posted at
Jan 4, 2026, 3:03 PM
Active
[wts] Omega Seamaster Planet Ocean 8500 Orange😍🍊 45.5mm 232.32.46.21.01.001

Omega Seamaster Planet Ocean 8500 Orange😍🍊 45.5mm 232.32.46.21.01.001

The Omega Seamaster Planet Ocean 8500 is a 45.5mm watch with additional details.

  • Condition: great condition
  • Case size: 45.5mm diameter
Posted at
Jan 4, 2026, 2:58 PM
Active
[wts] Omega Seamaster Planet Ocean Chronograph 45.5mm 232.30.46.51.01.001

Omega Seamaster Planet Ocean Chronograph 45.5mm 232.30.46.51.01.001

This Omega Seamaster Planet Ocean Chronograph is a 45.5mm watch with various features and settings.

  • Condition: Excellent condition
  • Case Size: 45.5mm
  • Shipping: FedEx to the US
  • Payment Methods: Zelle, Venmo, Wire, Apple Pay
Posted at
Jan 4, 2026, 2:54 PM
Active
[WTS][WTT] Omega Seamaster Planet Ocean 600M - Skyfall Limited Edition - w/ Omega Service *Price Drop*

[WTT] Omega Seamaster Planet Ocean 600M - Skyfall Limited Edition - w/ Omega Service *Price Drop*

A Skyfall Limited Edition Omega Seamaster Planet Ocean 600M watch, one of only 5,007 pieces produced, featuring a black patterned dial, Omega's in-house caliber 8507b movement with silicon balance spring for increased anti-magnetic properties, and 42mm case size.

  • Condition: Pre-owned, serviced by Omega in August
  • Movement: Omega's in-house caliber 8507b
  • Water Resistance: 600m (~2000ft)
  • Size: 42mm diameter
Posted at
Jan 4, 2026, 1:20 PM
Active