Omega Aqua Terra Seamaster Aqua Terra 150M Co-Axial 30 Stainless Steel / Red Gold / MOP / Bracelet

Reference 231.20.30.20.55.001

About this watch

The Omega Seamaster Aqua Terra 150M Co-Axial 30 is a luxury watch that combines exquisite craftsmanship with robust functionality, featuring a harmonious blend of stainless steel and red gold, an elegant Mother of Pearl (MOP) dial, and impressive specifications. With its stunning design, reliable movement, and impressive water resistance, it's a versatile choice for both land and sea. The MOP dial is a standout feature, showcasing a beautiful play of colors that changes with light, while the gem-set indexes add a touch of glamour. The watch boasts a certified chronometer movement, ensuring accurate timekeeping, and features an automatic movement with a power reserve of 50 hours. Its comfort is also noteworthy, feeling lightweight yet sturdy on the wrist, making it perfect for everyday wear.
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Key Features

  • Omega Caliber 8520 automatic movement
  • Certified chronometer by COSC
  • Water resistance up to 150 meters
  • Mother of Pearl (MOP) dial with gem-set indexes
  • Arrow-shaped hands for easy readability
  • Open case back for viewing the movement
  • Harmonious blend of stainless steel and red gold materials

Specifications

Brand
Omega
Family
Aqua Terra
Model
Seamaster Aqua Terra 150M Co-Axial 30 Stainless Steel / Red Gold / MOP / Bracelet
Reference
231.20.30.20.55.001
Movement
8520
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
30mm
Dial Color
White
Crystal
Sapphire
Water Resistance
150

Current Listings

[WTS] Omega Seamaster Aqua Terra 41.5mm Discontinued “Teak” Dial Spectre 007 - Full Set Mint Condition

Omega Seamaster Aqua Terra 41.5mm Discontinued “Teak” Dial Spectre 007 - Full Set Mint Condition

This Omega Seamaster Aqua Terra features a sunburst blue 'Teak-Concept' dial, powered by the in-house Calibre 8500 Co-Axial movement and has a water resistance of 150m.

  • Condition: Mint
  • Case size: 41.5mm
  • Movement: Calibre 8500 Co-Axial
  • Water resistance: 150M
Posted at
Dec 15, 2025, 6:30 PM
Active
[WTS] Omega Aqua Terra 39mm Blue - 2503.80

Omega Aqua Terra 39mm Blue - 2503.80

Aqua Terra 39mm Blue, automatic movement, stainless steel case with sapphire crystal.

Posted at
Dec 15, 2025, 11:25 AM
Active
[WTS] OMEGA Seamaster Aqua Terra 150M Terracotta Ref. 220.10.38.20.13.003 - ULTIMATE SET!

OMEGA Seamaster Aqua Terra 150M Terracotta Ref. 220.10.38.20.13.003 - ULTIMATE SET!

The OMEGA Seamaster Aqua Terra Ref. 220.10.38.20.13.003 features a vibrant Terracotta dial and a symmetrical case design that is both elegant and comfortable on the wrist.

  • Condition: UNWORN
  • Diameter: 38mm
  • Water resistance: 150M
  • Movement: Co-Axial Master Chronometer Calibre 8800
Posted at
Dec 15, 2025, 12:01 AM
Active
[WTS] OMEGA Seamaster Aqua Terra Worldtimer Summer Blue Ref. 220.10.43.22.03.002 - ULTIMATE SET!

OMEGA Seamaster Aqua Terra Worldtimer Summer Blue Ref. 220.10.43.22.03.002 - ULTIMATE SET!

OMEGA - 220.10.43.22.03.002 · $10,250
The OMEGA Seamaster Aqua Terra Worldtimer is a sophisticated travel companion that puts the world on your wrist.

  • Condition: VERY GOOD with some light scratches on case and bracelet
  • Case size: 43mm
  • Bracelet length adjustment: pre-sized for a ~7" wrist with spare links
Posted at
Dec 14, 2025, 11:58 PM
Active
[WTS] 2025 Full Kit. Omega Seamaster Aqua Terra Co-Axial GMT 231.10.43.22.01.001. PRICE DROP $3,800

2025 Full Kit. Omega Seamaster Aqua Terra Co-Axial GMT 231.10.43.22.01.001. PRICE DROP $3,800

Beautiful Aqua Terra GMT, Full Set Stamped with 5 year warranty dated February, 2025.

  • Year Warranty Valid Until: 2025
Posted at
Dec 14, 2025, 5:23 PM
Active
[WTS] Omega Seamaster Aqua Terra 220.12.41.21.06.001 Teak Grey Dial

Omega Seamaster Aqua Terra 220.12.41.21.06.001 Teak Grey Dial

This Omega Seamaster Aqua Terra features a teak grey dial and a stainless steel case with automatic Co-Axial Master Chronometer movement, keeping good time with no issues.

  • Condition: Good condition overall with no deep marks or scratches
  • Case size: 41mm diameter
  • Movement type: Automatic Co-Axial Master Chronometer
  • Strap: Blue rubber strap
Posted at
Dec 14, 2025, 9:52 AM
Active
[WTS] Omega Seamaster Aqua Terra 150m Blue 220.10.41.21.03.002

Omega Seamaster Aqua Terra 150m Blue 220.10.41.21.03.002

A blue Omega Seamaster Aqua Terra with a 7.25" bracelet, featuring a 150m water resistance.

  • Bracelet length: 7.25 inches
Posted at
Dec 13, 2025, 6:02 PM
Active
[WTS] Omega Seamaster Aqua Terra 38mm White (220.10.38.20.02.001) – $3,900 Complete Set

Omega Seamaster Aqua Terra 38mm White (220.10.38.20.02.001) – $3,900 Complete Set

A used Omega Seamaster Aqua Terra in white/silver, purchased in March 2020 and no longer under warranty.

  • Condition: Excellent, with minor scratches and scuffs
  • Year Purchased: 2020
  • Retail Price: 7100
  • Warranty Status: no longer under warranty
Posted at
Dec 13, 2025, 6:01 PM
Active