Omega Seamaster Planet Ocean Seamaster Planet Ocean 600M Co-Axial 45.5 Mécanique 16 Sapphires

Reference 2905.50.38

About this watch

The Omega Seamaster Planet Ocean 2905.50.38 is a masterpiece of luxury watchmaking, blending robust design with superior movement and luxurious materials. This diving watch exudes sophistication, featuring a stunning blue color, gem-set bezel, and mother-of-pearl dial that reflects light beautifully. The Omega caliber 2500 automatic movement enhances precision and reduces friction, while the sapphire glass provides scratch-resistance. With its impressive water resistance of 600 meters, this watch is built for serious divers and suitable for both casual and formal occasions.
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Key Features

  • Omega Caliber 2500 Automatic Movement
  • Water Resistance up to 600 Meters
  • White Gold and Stainless Steel Construction
  • Gem-Set Bezel with Sapphire Glass
  • Mother-of-Pearl Dial with Mixed Indexes
  • Chronometer-Certified for Precision Timekeeping

Specifications

Brand
Omega
Family
Seamaster Planet Ocean
Model
Seamaster Planet Ocean 600M Co-Axial 45.5 Mécanique 16 Sapphires
Reference
2905.50.38
Movement
2500
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Co-Axial Escapement, Chronometer
Case
45.5mm
Dial Color
Blue
Crystal
Sapphire
Water Resistance
600

Current Listings

[WTS] Omega Seamaster Planet Ocean Chronograph 600M 45.5mm 232.30.46.51.01.001

Omega Seamaster Planet Ocean Chronograph 600M 45.5mm 232.30.46.51.01.001

This Omega Seamaster Planet Ocean Chronograph features a 45.5mm case size and is a Master Chronometer certified timepiece.

  • Bracelet length: 7.25 inches
Posted at
Apr 29, 2025, 2:23 PM
Active
[WTS] Omega Seamaster Planet Ocean 600M 45.5MM 232.30.46.21.01.003 Box Papers 2017

Omega Seamaster Planet Ocean 600M 45.5MM 232.30.46.21.01.003 Box Papers 2017

This Omega Seamaster Planet Ocean 600M is a 2017 model featuring a black dial, unidirectional rotating ceramic bezel, and automatic movement. It has a stainless steel case with a diameter of 45.5mm and water resistance up to 600 meters.

  • Condition: Excellent pre-owned condition
  • Case size: 45.5mm diameter
  • Water resistance: 2000 feet / 600 meters
  • Movement: Omega Co-Axial Caliber 8500
Posted at
Apr 28, 2025, 9:39 PM
Active
[wts] Authentic Omega 21mm seamaster planet ocean bracelet

Authentic Omega 21mm seamaster planet ocean bracelet

This Omega Planet Ocean Seamaster is available for sale, featuring a full-length bracelet with all links.

  • Condition: Like new
Posted at
Apr 28, 2025, 8:21 PM
Active
[WTS] Omega Seamaster Planet Ocean XL 45mm Black Dial

Omega Seamaster Planet Ocean XL 45mm Black Dial

Omega - 2200.50.00 · $3,650
A timeless classic in the Seamaster catalog, the Planet Ocean XL is a do-it-all timepiece with an unmistakable profile and presence when worn.

  • Condition: Excellent pre-owned condition with faint wear on the case, bezel, and bracelet
  • Case size: 45mm diameter
  • Water resistance: 30m water resistant
  • Movement: Calibre 2500, 48 hour reserve
Posted at
Apr 28, 2025, 9:41 AM
Active
[wts] Omega Seamaster Planet Ocean 2500 42.5mm 2201.51.00

Omega Seamaster Planet Ocean 2500 42.5mm 2201.51.00

Omega - 2201.51.00 · $3,200
This Omega Seamaster Planet Ocean is a 42.5mm watch in excellent condition, part of the 2500 collection.

  • Condition: Excellent condition and full set
Posted at
Apr 27, 2025, 6:55 PM
Active
[wts] NEAR MINT Omega Seamaster Planet Ocean 8500 45mm 232.32.46.21.01.003 on new style OEM mesh bracelet

NEAR MINT Omega Seamaster Planet Ocean 8500 45mm 232.32.46.21.01.003 on new style OEM mesh bracelet

This Omega Seamaster Planet Ocean features a 45mm case with a gray bezel, originally came with black strap and deployant clasp but now has an OEM orange bezel and a NTTD style mesh milanese bracelet.

  • Condition: Near mint
  • Bracelet: OEM mesh Milanese bracelet
  • Bezel: Gray with orange insert (originally black)
  • Strap: Swapped for new style OEM mesh milanese bracelet
Posted at
Apr 27, 2025, 6:53 PM
Active
[wts] Omega Seamaster Planet Ocean 8500 42.5mm 232.30.42.21.01.001

Omega Seamaster Planet Ocean 8500 42.5mm 232.30.42.21.01.001

This Omega Seamaster Planet Ocean is a 42.5mm watch with box and papers, available for sale.

  • Condition: Good
  • Size: 42.5mm diameter
Posted at
Apr 27, 2025, 6:44 PM
Active
[WTS][WTT] Omega Seamaster Planet Ocean 600M - Skyfall Limited Edition - Recent Serviced *Price Drop*

[WTT] Omega Seamaster Planet Ocean 600M - Skyfall Limited Edition - Recent Serviced *Price Drop*

This Omega Seamaster Planet Ocean 600M is a limited edition watch with subtle Easter eggs and a legible dial. It features a black patterned dial, 42mm case size, and Omega's in-house caliber 8507b movement with increased anti-magnetic properties.

  • Condition: Excellent, recently serviced
  • Water resistance: 600m (~2000ft)
  • Case size: 42mm
  • Movement: Omega Caliber 8507b (in-house)
Posted at
Apr 27, 2025, 2:40 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 is a 45.5mm watch with a factory warranty valid until October 2026, available for sale.

  • Condition: Excellent condition
  • Warranty Valid Until: October 2026
  • Payment Methods: zelle, applepay, venmo
Posted at
Apr 27, 2025, 10:23 AM
Active