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 seamaster aqua terra 1.3k

omega seamaster aqua terra 1.3k

Omega - 2518.50.00 · $1,300
This Omega Seamaster Aqua Terra is a 36mm model in good condition with some scratches and scuffs, but running great.

  • Condition: Good condition with some scratches and scuffs
  • Bracelet size: 6.5 in (wrist size)
  • Box/papers: No
Posted at
Oct 26, 2025, 11:19 AM
Active
[WTS] Omega Aqua Terra Annual Calendar 38.5mm 231.10.39.22.01.001 - 2020 Box and Papers

Omega Aqua Terra Annual Calendar 38.5mm 231.10.39.22.01.001 - 2020 Box and Papers

This Omega Aqua Terra Annual Calendar features a 38.5mm case, annual calendar functionality, and is in excellent pre-owned condition with slight wear on high polished parts.

  • Condition: Excellent Pre-Owned Condition
  • Box Condition: terrible condition
  • Service History: unknown; +8-10 s/d 300+ AMP
  • Length Links: 16.5 links
Posted at
Oct 24, 2025, 11:12 PM
Active
[WTS] Omega Aqua Terra 2518.50 w/ Box, Papers, Serviced in 2023

Omega Aqua Terra 2518.50 w/ Box, Papers, Serviced in 2023

Omega - 2518.50 · $1,999
The Omega Aqua Terra 2518.50 is a versatile travel watch with a quartz movement and 150m water resistance. It features a jumping hour hand for easy time zone switching and a screw-down crown. The watch has a slow date change that starts at approximately 8 PM and ends at midnight.

  • Condition: Used with some wear and tear
  • Movement Type: Quartz
  • Water Resistance: 150m
  • Bracelet Size Range: 6-7.25 inches
Posted at
Oct 24, 2025, 7:49 PM
Active
[WTS] Omega Aqua Terra 41mm - Turquoise with Ceramic Bezel

Omega Aqua Terra 41mm - Turquoise with Ceramic Bezel

The Omega Seamaster Aqua Terra 41mm features a turquoise fume dial with a black ceramic bezel, making it a refined and durable watch suitable for daily wear.

  • Condition: Great condition with hairline scratches along the side of the case and metal insert between the lugs
  • Diameter: 41mm
Posted at
Oct 24, 2025, 7:06 PM
Active
[WTS] Omega Seamaster Aqua Terra Worldtimer 43mm “Summer Blue” 220.12.43.22.03.002 - 2024 Full Set

Omega Seamaster Aqua Terra Worldtimer 43mm “Summer Blue” 220.12.43.22.03.002 - 2024 Full Set

2024 Omega Seamaster Aqua Terra Worldtimer 43mm in 'Summer Blue' condition, featuring a Master Chronometer certification.

  • Condition: Pre-owned with slight wear on case and buckle, faint hairlines on bezel
  • Case size: 43mm
  • Water resistance: 100m
  • Power reserve: +335 hours
Posted at
Oct 24, 2025, 1:49 AM
Active
[WTS] Omega Seamaster Aqua Terra 38.5mm Black Teak Dial - Full Set, Excellent Condition

Omega Seamaster Aqua Terra 38.5mm Black Teak Dial - Full Set, Excellent Condition

Selling my Omega Aqua Terra with a black teak-patterned dial, in excellent condition. It comes with the original box, papers, bracelet links, and receipt of purchase.

  • Condition: Excellent condition with light surface wear and keeping excellent time
  • Case Size: 38.5mm diameter
  • Movement: Omega Co-Axial Caliber 8500
  • Water Resistance: 150m depth rating
Posted at
Oct 23, 2025, 11:34 PM
Active