Omega Aqua Terra Seamaster Aqua Terra 150M Co-Axial 30 White Gold / Diamond / Diamond / Bracelet

Reference 231.55.30.20.99.002

About this watch

The Omega Seamaster Aqua Terra 150M Co-Axial 30, reference number 231.55.30.20.99.002, is a luxurious timepiece that embodies elegance and durability. Crafted from white gold, this stunning watch features diamond accents that elevate its sophistication. With a water resistance of up to 150 meters, it's perfect for aquatic adventures or formal occasions. The Co-Axial escapement technology ensures precise timekeeping and reduced maintenance. This luxury watch is not just a statement piece, but also a work of art that combines innovative design with exquisite materials. Omega's rich heritage and commitment to quality make this investment likely to appreciate in both sentimental and monetary value.
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Key Features

  • White gold case
  • Water-resistant up to 150 meters
  • Co-Axial escapement technology
  • 30mm diameter
  • Diamond accents on dial
  • Sapphire crystal glass
  • Open case back for view of mechanics

Specifications

Brand
Omega
Family
Aqua Terra
Model
Seamaster Aqua Terra 150M Co-Axial 30 White Gold / Diamond / Diamond / Bracelet
Reference
231.55.30.20.99.002
Case
30mm
Dial Color
Paved
Crystal
Sapphire
Water Resistance
150

Current Listings

[WTS] Omega Aqua Terra 220.10.41.21.10.001 — 5 Months Old — PRICE DROP — $4,745 Shipped OBO

Omega Aqua Terra 220.10.41.21.10.001 — 5 Months Old — PRICE DROP — $4,745 Shipped OBO

This is a 5-month-old Omega Aqua Terra with a unique Green Teak dial, adding depth and texture to the watch.

  • Condition: Excellent
  • Size: 41mm diameter
  • Dial: Green Teak with horizontal 'teak' pattern
  • Movement: Co-Axial Master Chronometer (METAS certified)
Posted at
Feb 18, 2026, 1:25 PM
Active
[WTS] Omega Seamaster Aqua Terra - Black 39mm - 2503.50 - $2,595 Shipped!

Omega Seamaster Aqua Terra - Black 39mm - 2503.50 - $2,595 Shipped!

Omega - 2503.50 · $2,595
A 39mm Omega Seamaster Aqua Terra in great condition with everything functioning as it should.

  • Condition: pre-owned, minor wear
  • Size: 39mm diameter
Posted at
Feb 18, 2026, 12:14 PM
Active
[WTS] OMEGA Seamaster Aqua Terra Worldtimer "Summer Blue" Ref. 220.10.43.22.03.002 - ULTIMATE SET! 🔥$9,600🔥

OMEGA Seamaster Aqua Terra Worldtimer "Summer Blue" Ref. 220.10.43.22.03.002 - ULTIMATE SET! 🔥$9,600🔥

The OMEGA Seamaster Aqua Terra Worldtimer Ref. 220.10.43.22.03.002 is a sophisticated travel companion that puts the world on your wrist.

  • Condition: VERY GOOD - Some light scratches on case and bracelet.
  • Case size: 43mm
  • Bracelet length: pre-sized for a ~7" wrist
  • Contents: ULTIMATE SET - Includes box, papers, serial hang tag, spare links (for fully-linked bracelet), shipping coffin, and digital copy of original purchase receipt.
Posted at
Feb 17, 2026, 11:01 PM
Active
[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🔥

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

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

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

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