Omega Seamaster Planet Ocean Seamaster Planet Ocean 600M Co-Axial 42 Mécanique 24 Sapphires / Short Strap

Reference 2912.50.48

Omega Seamaster Planet Ocean 600M Co-Axial 42 Mécanique 24 Sapphires / Short Strap

About this watch

The Omega Seamaster Planet Ocean 600M Co-Axial 42 (model number 2912.50.48) is a statement piece that exudes luxury and sophistication. Its blend of white gold and stainless steel creates a sumptuous feel, while the gem-set bezel adds an air of elegance. The stunning blue dial with mother-of-pearl finish is a true masterpiece, reflecting light beautifully and changing hues as you move it around. The mixed indexes and arrow hands enhance readability, ensuring that you can tell the time at a glance, even underwater. At the heart of this watch is the innovative Omega caliber 2500 movement, a co-axial version of the ETA 2892-A2, promising precision, reliability, and durability. With its impressive water resistance of 600 meters, this watch is perfect for both diving enthusiasts and those who appreciate high-end horology.
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Key Features

  • Omega Caliber 2500 Co-Axial Movement
  • 600M Water Resistance
  • White Gold and Stainless Steel Case
  • Gem-Set Bezel
  • Blue Mother of Pearl Dial
  • Mixed Indexes and Arrow Hands
  • Sapphire Crystal

Specifications

Brand
Omega
Family
Seamaster Planet Ocean
Model
Seamaster Planet Ocean 600M Co-Axial 42 Mécanique 24 Sapphires / Short Strap
Reference
2912.50.48
Movement
2500
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Co-Axial Escapement, Chronometer
Case
42mm
Dial Color
Blue
Crystal
Sapphire
Water Resistance
600

Current Listings

[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

Omega - 232.32.46.21.01.003 · $3,600
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
View listing on r/WatchExchange
[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

Omega - 232.30.42.21.01.001 · $3,250
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
View listing on r/WatchExchange
[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*

Omega - 232.30.42.21.01.004 · $5,650
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
View listing on r/WatchExchange
[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

Omega - 232.30.46.21.01.003 · $4,200
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
View listing on r/WatchExchange
[wts] Omega Seamaster Planet Ocean GMT 43.5mm 232.32.44.22.01.002 UNDER WARRANTY through APR 2027

Omega Seamaster Planet Ocean GMT 43.5mm 232.32.44.22.01.002 UNDER WARRANTY through APR 2027

Omega - 232.32.44.22.01.002 · $4,100
This Omega Seamaster Planet Ocean GMT is a 43.5mm model under warranty through April 2027, sold in excellent condition with box and papers.

  • Condition: Excellent
  • Case Size: 43.5mm diameter
  • Strap Condition: Mint, except for missing stitches
Posted at
Apr 27, 2025, 10:17 AM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster Planet Ocean 600M 43.5mm Ref - 215.32.44.21.01.001

Omega Seamaster Planet Ocean 600M 43.5mm Ref - 215.32.44.21.01.001

Posted at
Apr 24, 2025, 8:26 AM
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Zealande Rubber Watch Strap for Omega Seamaster Planet Ocean 43.5mm in Blue

Zealande Rubber Watch Strap for Omega Seamaster Planet Ocean 43.5mm in Blue

Omega - Planet Ocean · $75.008
  • Condition: preowned/excellent
  • Size: 43.5mm diameter
Posted at
Apr 23, 2025, 6:20 PM
Active
View listing on WatchUseek
Omega Seamaster Planet Ocean 600M 43.5mm Ref - 215.32.44.21.01.001

Omega Seamaster Planet Ocean 600M 43.5mm Ref - 215.32.44.21.01.001

Omega - 215.32.44.21.01.001 · $4,000.004
This Omega Seamaster Planet Ocean features a 43.5mm case size, orange bezel highlights, and a rubber strap for added comfort.

  • Condition: Great shape
  • Case size: 43.5mm
  • Water resistance: 600M
Posted at
Apr 22, 2025, 7:24 PM
Active
View listing on WatchUseek
[WTS] Omega Seamaster Planet Ocean 600M Black Ceramic Sedna Gold 215.63.46.22.01.001

Omega Seamaster Planet Ocean 600M Black Ceramic Sedna Gold 215.63.46.22.01.001

Omega - 215.63.46.22.01.001 · $14,895
The Omega Seamaster Planet Ocean 600M features a stunning combination of black ceramic and 18kt Sedna gold, with a beautiful wave pattern on the dial and a rotating bezel.

  • Condition: Excellent condition, little to no signs of wear
  • Case Size: 45.5mm
  • Case Material: Ceramic
  • Bezel Material: Ceramic and 18k Sedna Gold
Posted at
Apr 22, 2025, 4:17 PM
Active
View listing on r/WatchExchange