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

Reference 231.23.30.20.55.002

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

About this watch

The Omega Aqua Terra 231.23.30.20.55.002 is a masterpiece that perfectly embodies the luxury ethos of the Omega brand. This stunning timepiece combines exceptional design, innovative movement, and rich heritage to create a truly unique wearing experience. The harmonious blend of yellow gold and stainless steel case adds to its durability and aesthetic appeal, while the mother of pearl dial shines with a subtle shimmering quality that changes with the light. Powered by the Omega caliber 8520, this watch boasts an automatic movement with chronometer certification, ensuring exceptional accuracy and reliability. With a compact 30mm diameter and sleek design, it sits comfortably on the wrist, making it perfect for all-day wear. The impressive water resistance of 150 meters allows you to enjoy it while swimming or exploring the great outdoors without worry. Whether you're looking for a luxury watch for everyday wear or something special for occasions, this model delivers on all fronts.
Buy Now on Jomashop
This is an affiliate link

Key Features

  • Yellow gold and stainless steel case
  • Mother of pearl dial with gem-set indexes
  • Automatic movement with chronometer certification
  • 150m water resistance
  • 30mm compact diameter
  • Chronograph function
  • Date display

Specifications

Brand
Omega
Family
Aqua Terra
Model
Seamaster Aqua Terra 150M Co-Axial 30 Stainless Steel / Yellow Gold / MOP
Reference
231.23.30.20.55.002
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 41mm White 220.10.41.21.02.001 2024 Full Set - $5,095

Omega Seamaster Aqua Terra 41mm White 220.10.41.21.02.001 2024 Full Set - $5,095

Omega - 220.10.41.21.02.001 · $5,095
This Omega Seamaster Aqua Terra White is a 2024 model, fully set with its original packaging and accessories.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2024
  • Case Size: 41mm
Posted at
Feb 10, 2026, 9:42 AM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster Aqua Terra 2023 41mm Grey 220.10.41.21.06.001 Full Set - $5,495

Omega Seamaster Aqua Terra 2023 41mm Grey 220.10.41.21.06.001 Full Set - $5,495

Omega - 220.10.41.21.06.001 · $5,495
Up for sale is a Omega Seamaster Aqua Terra Grey, a **Reference**: 220.10.41.21.06.001 from the year 2023.

  • Condition: Excellent condition with minimal signs of wear
  • Case Size: 41mm
  • Water Resistance: 30m
Posted at
Feb 10, 2026, 9:19 AM
Active
View listing on r/WatchExchange
[WTS] Omega Aqua Terra Quartz 38.5mm Grey 1538 231.10.39.61.06.001

Omega Aqua Terra Quartz 38.5mm Grey 1538 231.10.39.61.06.001

Omega - 231.10.39.61.06.001 · $1,850
A well-maintained Omega Aqua Terra Quartz in Grey, measuring 38.5mm in diameter.

  • Condition: Good condition with little signs of use
  • Wrist size: 18.5cm
  • Shipping from: Singapore
Posted at
Feb 9, 2026, 10:18 PM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster Aqua Terra 150m | Master Co-Axial | 41.5mm | 231.10.42.21.03.003 Blue

Omega Seamaster Aqua Terra 150m | Master Co-Axial | 41.5mm | 231.10.42.21.03.003 Blue

Omega - 231.10.42.21.03.003 · $3,499
A Omega Seamaster Aqua Terra Master Co-Axial in blue, featuring a 41.5mm case and 7.25 inch bracelet.

  • Case Diameter: 41.5mm
  • Bracelet Length: 7.25"
Posted at
Feb 9, 2026, 9:28 PM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster Aqua Terra Silver Dial - 2504.30 - 36mm- $2,295 Shipped ✈️

Omega Seamaster Aqua Terra Silver Dial - 2504.30 - 36mm- $2,295 Shipped ✈️

Omega - 2504.30 · $2,295
This Omega Seamaster Aqua Terra features a beautiful sunburst silver dial and comes in a compact 36mm case diameter. The watch is suitable for small wrists between 6.75 and 7 inches.

  • Condition: Very good condition
  • Case Diameter: 36mm
  • Movement: Omega Co-axial 2500
Posted at
Feb 9, 2026, 5:46 PM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster Aqua Terra "Golf Edition" 41.5mm

Omega Seamaster Aqua Terra "Golf Edition" 41.5mm

Omega - 220.10.41.21.01.002
This Omega watch is a unique 'Golf Edition' of the popular Aqua Terra model, sized at 41.5mm.

Posted at
Feb 9, 2026, 4:28 PM
Active
View listing on r/WatchExchange
[WTS] OMEGA Seamaster Aqua Terra Worldtimer "Summer Blue" Ref. 220.10.43.22.03.002 - ULTIMATE SET! 🔥$10,100🔥

OMEGA Seamaster Aqua Terra Worldtimer "Summer Blue" Ref. 220.10.43.22.03.002 - ULTIMATE SET! 🔥$10,100🔥

OMEGA - 220.10.43.22.03.002 · $10,100
A sophisticated travel companion with a 43mm stainless steel case, featuring a dial that captures the essence of a perfect day at sea, showcasing Earth on a grade 5 titanium plate.

  • Condition: VERY GOOD - Some light scratches on case and bracelet.
  • Case size: 43mm
  • Bracelet length: ~7in
Posted at
Feb 8, 2026, 7:36 PM
Active
View listing on r/WatchExchange
[WTS] OMEGA Seamaster Aqua Terra 150M Terracotta Ref. 220.10.38.20.13.003 - ULTIMATE SET! 🔥$6,300🔥

OMEGA Seamaster Aqua Terra 150M Terracotta Ref. 220.10.38.20.13.003 - ULTIMATE SET! 🔥$6,300🔥

OMEGA - 220.10.38.20.13.003 · $6,300
The OMEGA Seamaster Aqua Terra Ref. 220.10.38.20.13.003 features a stunning Terracotta dial, symmetrical case design, and polished brushed bracelet.

  • Condition: UNWORN
  • Dial color: Terracotta
  • Case size: 38mm diameter
  • Bracelet length: ~7 inch pre-sized
Posted at
Feb 8, 2026, 7:33 PM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster Aqua Terra 150m | Calibre 8500 Co-Axial | 231.10.39.21.06.001

Omega Seamaster Aqua Terra 150m | Calibre 8500 Co-Axial | 231.10.39.21.06.001

Omega - 231.10.39.21.06.001 · $2,750
Aqua Terra 150m with Calibre 8500 Co-Axial movement, a 38.5mm case size and a 7.25 inch long bracelet.

  • Case size: 38.5mm
  • Bracelet length: 7.25 inches
Posted at
Feb 8, 2026, 1:09 PM
Active
View listing on r/WatchExchange