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

Reference 231.20.30.20.55.003

About this watch

The Omega Seamaster Aqua Terra 150M Co-Axial 30 is a masterpiece that embodies luxury, precision, and sophistication. Its round case crafted from stainless steel and luxurious red gold exudes elegance and refinement, making it suitable for both everyday wear and formal occasions. The stunning mother of pearl dial shimmers in the light, offering a unique play of colors that changes with the angle. Equipped with an automatic Omega caliber 8520 movement, this watch guarantees superior accuracy and precision. With a water resistance of 150 meters, you can trust it to withstand aquatic adventures. The sapphire crystal glass adds an extra layer of protection against scratches, ensuring your watch remains pristine. The Aqua Terra is not just a timepiece; it's a piece of art that you can wear on your wrist. Its resale value tends to hold up well, making it a wise investment for anyone who appreciates luxury and sophistication.
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Key Features

  • Omega caliber 8520 automatic movement
  • Stainless steel and red gold dual-material case
  • Mother of pearl dial with gem-set indexes
  • Sapphire crystal glass for scratch protection
  • 150m water resistance
  • Round diameter: 30mm
  • Certified chronometer

Specifications

Brand
Omega
Family
Aqua Terra
Model
Seamaster Aqua Terra 150M Co-Axial 30 Stainless Steel / Red Gold / MOP / Bracelet
Reference
231.20.30.20.55.003
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 Aqua Terra 231.10.39 Cal 8500 38.5 mm Master Co-Axial - $2,950

Omega Aqua Terra 231.10.39 Cal 8500 38.5 mm Master Co-Axial - $2,950

Up for sale is my Omega Aqua Terra 231.10.39 Cal 8500 with a 39mm steel case and original Omega steel bracelet.

  • Condition: Great condition, minimal marks on the case and caseback.
  • Case diameter: 39mm
  • Bracelet type: Original Omega steel bracelet
  • Bracelet material: Steel
Posted at
May 5, 2026, 10:22 PM
Active
[WTS] Omega Aqua Terra 231.10.39.21.01.001 Cal 8500 38.5mm Black Teak - $2,890

Omega Aqua Terra 231.10.39.21.01.001 Cal 8500 38.5mm Black Teak - $2,890

This Omega Aqua Terra 231.10.39 Cal 8500 features a 38.5mm steel case with a Calibre OMEGA 8500 movement.

  • Condition: Great condition, minimal marks present
  • Case size: 38.5mm diameter
  • Movement: Calibre OMEGA 8500
  • Bracelet material: Steel
Posted at
May 5, 2026, 10:07 PM
Active
[WTS] Omega Aqua Terra 231.10.39 Cal 8500 38.5 mm Master Co-Axial Box and Papers - $3,250

Omega Aqua Terra 231.10.39 Cal 8500 38.5 mm Master Co-Axial Box and Papers - $3,250

Up for sale is my Omega Aqua Terra 231.10.39 Cal 8500 watch in great condition. It measures 39mm with a steel case on original Omega steel bracelet.

  • Condition: Great condition, some minor marks on the case and caseback
  • Case size: 39mm
  • Movement: Calibre OMEGA 8500
  • Bracelet material: Steel
Posted at
May 5, 2026, 10:04 PM
Active
[WTS] Omega Aqua Terra 2503.80 - 39mm - Blue Automatic

Omega Aqua Terra 2503.80 - 39mm - Blue Automatic

Omega - 2503.80 · $2,750
This Omega Aqua Terra Blue Automatic is a 39mm watch-only example in good condition.

  • Condition: Pre-owned, clean condition with light wear throughout
  • Size: 39mm diameter
Posted at
May 5, 2026, 5:37 PM
Active
[WTS] 2018 Omega Seamaster Aqua Terra 150M 38.5mm Teak - 231.10.39.21.02.001 - Box & Papers

2018 Omega Seamaster Aqua Terra 150M 38.5mm Teak - 231.10.39.21.02.001 - Box & Papers

Aqua Terra in perfect size, suitable for everyday wear with any outfit.

  • Condition: Excellent condition
  • Case size: 38.5mm diameter
Posted at
May 5, 2026, 3:36 PM
Active
[WTS] Omega Aqua Terra 2503.33.00 (39mm)

Omega Aqua Terra 2503.33.00 (39mm)

Omega - 2503.33.00 · $2,600
Up for sale is my Omega Aqua Terra that has been worn sparingly by me since I bought it on here back in 2022. It received a full service by Omega in May 2023.

  • Condition: Excellent, with normal signs of wear
  • Size: 39mm diameter
  • Hands included: 2 sets (blue original and silver replacement)
  • Original box: not included
Posted at
May 5, 2026, 12:14 PM
Active
Omega Aqua Terra 8800 - 38mm - Lacquer Black - 220.10.38.20.01.004 ( new )

Omega Aqua Terra 8800 - 38mm - Lacquer Black - 220.10.38.20.01.004 ( new )

Up for sale is a brand new Omega Aqua Terra 8800 38mm with Lacquer Black Dial, reference # 220.10.38.20.01.004.

  • Condition: Brand new
  • Case size: 38mm
  • Movement type: Master Chronometer Movement
Posted at
Apr 3, 2025, 3:15 PM
Active
Omega Seamaster Aqua Terra Green 41mm

Omega Seamaster Aqua Terra Green 41mm

The Omega Seamaster Aqua Terra Green is a versatile watch suitable for daily wear, featuring a Master Chronometer certified calibre 8900 with 60 hours of power reserve and antimagnetic properties. It has an excellent bracelet and proportions.

  • Condition: Near-mint, 94-95%
  • Case size: 41mm x 47.9mm lug to lug
  • Thickness: 13.2mm
  • Power reserve: 60 hours
Posted at
Mar 31, 2025, 10:30 AM
Active
Omega Seamaster Aqua Terra Co-Axial White Blue Stainless Steel MINT 2503.33.00

Omega Seamaster Aqua Terra Co-Axial White Blue Stainless Steel MINT 2503.33.00

The Omega Seamaster Aqua Terra Co-Axial is a sport-ready watch with dress-worthy charm, featuring a white dial with blue accents and a stainless steel case with brushed and polished finishes.

  • Condition: Mint
  • Movement: Co-Axial
  • Case size: Not specified
  • Water resistance: Not specified
Posted at
Mar 25, 2025, 5:11 PM
Active