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

Reference 231.23.30.20.55.002

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.
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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 150M Terracotta Ref. 220.10.38.20.13.003 - ULTIMATE SET! 🔥$6,100🔥

OMEGA Seamaster Aqua Terra 150M Terracotta Ref. 220.10.38.20.13.003 - ULTIMATE SET! 🔥$6,100🔥

OMEGA - 220.10.38.20.13.003 · $6,100
The OMEGA Seamaster Aqua Terra Ref. 220.10.38.20.13.003 features a vibrant Terracotta dial, symmetrical case design and polished brushed bracelet.

  • Condition: UNWORN
  • Bracelet size: ~7"
  • Box included: true
  • Papers included: true
Posted at
Feb 17, 2026, 10:59 PM
Active
[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
This listing is for an Omega Seamaster Aqua Terra Master Co-Axial with a blue dial, measuring 41.5mm in diameter and featuring a 7.25-inch bracelet.

  • Case Size: 41.5mm
  • Bracelet Length: 7.25 inches
Posted at
Feb 17, 2026, 1:38 PM
Active
[WTS] Omega Aqua Terra White Teaked 38.5mm

Omega Aqua Terra White Teaked 38.5mm

Omega - 8500 · $2,750
This Omega Aqua Terra 38.5mm features a white teaked dial and is available for purchase with an extra omega travel bag.

  • Condition: Excellent, no issues
  • Case Size: 38.5mm
  • Box Papers: No box/no papers
Posted at
Feb 16, 2026, 10:46 PM
Active
[WTS] Omega Seamaster Aqua Terra Worldtimer – Blue Strap – Ref. 220.10.43.22.03.001 – Unworn 2025 – $8,490 + Shipping

Omega Seamaster Aqua Terra Worldtimer – Blue Strap – Ref. 220.10.43.22.03.001 – Unworn 2025 – $8,490 + Shipping

Omega - 220.10.43.22.03.001 · $8,490
A new, unworn Omega Seamaster Aqua Terra Worldtimer featuring a striking blue dial and matching blue strap.

  • Condition: New / Unworn
  • Case size: 43mm diameter
  • Water resistance: 150m depth rating
  • Power reserve: 60-hour power reserve
Posted at
Feb 16, 2026, 9:17 PM
Active
[WTS] Omega Aqua Terra 36mm - Blue Dial - Quartz - 2518.80 - Price Reduced!

Omega Aqua Terra 36mm - Blue Dial - Quartz - 2518.80 - Price Reduced!

Omega - 2518.80 · $1,695
A beautiful Omega Seamaster Aqua Terra Blue, 36mm in size, with a stunning blue dial.

  • Condition: Good overall condition, minimal wear
  • Size: 36mm diameter
  • Movement type: Quartz
Posted at
Feb 16, 2026, 2:22 PM
Active
[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
This listing is for an Omega Seamaster Aqua Terra Master Co-Axial, a blue-coloured watch with a 41.5mm case size.

  • Bracelet Length: 7.25"
Posted at
Feb 16, 2026, 1:26 PM
Active
[WTS] Omega Seamaster Aqua Terra Ref. 231.10.42.21.03.003 Excellent Condition

Omega Seamaster Aqua Terra Ref. 231.10.42.21.03.003 Excellent Condition

Omega - 231.10.42.21.03.003 · $4,299
The Omega Seamaster Aqua Terra reference 231.10.42.21.03.003 is a versatile watch that combines sport and elegance, featuring a teak-pattern dial and sapphire display caseback.

  • Condition: Excellent pre-owned condition
  • Case diameter: 42mm
  • Movement: Omega Co-Axial automatic
Posted at
Feb 15, 2026, 9:22 PM
Active
[WTS] Omega Seamaster Aqua Terra Blue Dial - 36mm - 2504.80 - Clean!

Omega Seamaster Aqua Terra Blue Dial - 36mm - 2504.80 - Clean!

Omega - 2504.80 · $2,595
This Omega Seamaster Aqua Terra features a navy blue sunburst dial and is powered by Omega's Co-Axial automatic movement, housed in a 36.2mm case.

  • Condition: Excellent overall condition, minimal wear
  • Case diameter: 36.2mm
  • Crystal type: domed sapphire crystal with anti-reflective coating
  • Bracelet material: stainless steel
Posted at
Feb 15, 2026, 5:50 PM
Active
[WTS] Omega Seamaster Aqua Terra - ‘Blue Wave’ Gold Accents - Complete Set

Omega Seamaster Aqua Terra - ‘Blue Wave’ Gold Accents - Complete Set

Omega - 23110422103006 · $5,250
The Omega Seamaster Aqua Terra 150M 'Blue Wave Dial' is a striking Aqua Terra released for a very short period in limited production, featuring a blue dial with a wave pattern and 18K yellow gold accents.

  • Condition: Excellent all-around condition
  • Case size: 41.5mm diameter
  • Water resistance: 150M / 15 bar
  • Movement: Omega Master Co-Axial calibre 8500
Posted at
Feb 15, 2026, 4:28 PM
Active