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

Reference 231.18.30.20.55.001

About this watch

The Omega Seamaster Aqua Terra 150M Co-Axial 30 is a masterpiece of luxury watchmaking, featuring a stunning mother of pearl dial and diamond accents that exude elegance and sophistication. Powered by the reliable Omega caliber 8520, this self-winding automatic movement boasts a power reserve of up to 50 hours, ensuring accuracy and precision. The watch's versatility makes it perfect for both formal events and casual wear, while its water resistance of up to 150 meters makes it an ideal companion for adventure seekers and urban dwellers alike. With its sapphire crystal and stainless steel case, this timepiece is built to last, combining exceptional craftsmanship, cutting-edge technology, and timeless design.
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Key Features

  • Stainless Steel Case
  • Sapphire Crystal
  • Mother of Pearl Dial
  • Gem-Set Indexes
  • Omega Caliber 8520 Movement
  • Co-Axial Escapement
  • 150m Water Resistance

Specifications

Brand
Omega
Family
Aqua Terra
Model
Seamaster Aqua Terra 150M Co-Axial 30 Stainless Steel / Diamond / MOP
Reference
231.18.30.20.55.001
Movement
8520
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
Stainless Steel 30mm
Dial Color
White
Crystal
Sapphire
Water Resistance
150

Current Listings

[WTS] Omega Aqua Terra White 38mm

Omega Aqua Terra White 38mm

This Omega Aqua Terra is a 2021 model with papers and still under factory warranty.

  • Year: 2021
  • Warranty: Still under factory warranty
  • Papers: true
Posted at
Oct 22, 2025, 9:56 PM
Active
[wts] Omega Aqua Terra Small Seconds 150mm

Omega Aqua Terra Small Seconds 150mm

The Omega Aqua Terra Small Seconds is a high-end watch with a 41mm case, 150m water resistance, and a COSC/METAS movement. It features a small seconds complication and comes with full box and papers.

  • Condition: Excellent
  • Water Resistance: 150m
  • Power Reserve: 60 hours
  • Movement: 8916 COSC/METAS
Posted at
Oct 22, 2025, 8:49 PM
Active
[WTS] Omega Seamaster Aqua Terra Co-Axial 42mm 231.10.42.21.06.001 Gray

Omega Seamaster Aqua Terra Co-Axial 42mm 231.10.42.21.06.001 Gray

This Omega Seamaster Aqua Terra Co-Axial is a 42mm watch with a gray color scheme.

  • Condition: Fresh service, used
  • Bracelet length: 7.25 inches
Posted at
Oct 22, 2025, 8:14 PM
Active
[WTS] Omega Aqua Terra 41mm 220.10.41.21.03.004 - Blue Teak Dial - Price Reduced ‼️

Omega Aqua Terra 41mm 220.10.41.21.03.004 - Blue Teak Dial - Price Reduced ‼️

This Omega Aqua Terra features a stunning blue teak dial and is in overall very clean condition with some light marks on the crystal.

  • Condition: pretty good, light wear on bracelet, lugs, and clasp
  • Wrist size compatible: up to 7.25 inches
  • Payment methods accepted: bank wire, zelle, paypal (F&F)
Posted at
Oct 22, 2025, 4:31 PM
Active
[WTS] [US] Omega Seamaster Aqua Terra 150m Master Chronometer GMT - Complete Set 2023

[US] Omega Seamaster Aqua Terra 150m Master Chronometer GMT - Complete Set 2023

This Omega Seamaster Aqua Terra 150m Master Chronometer GMT is a complete set from 2023, featuring a 41mm case with a black dial and stainless steel bracelet.

  • Year: 2023
Posted at
Oct 22, 2025, 1:11 PM
Active
[WTS] Omega Seamaster Aqua Terra "Saffron"

Omega Seamaster Aqua Terra "Saffron"

Omega - 2201.0382012001 · $4,300
The Omega Seamaster Aqua Terra 'Saffron' is a beautiful watch with a saffron dial that sparkles in the light. It features a 38mm diameter dial and comes with box and papers.

  • Condition: Good, with typical hairline scratches
  • Case size: 38mm
  • Material: stainless steel
  • Crystal material: sapphire
Posted at
Oct 22, 2025, 11:51 AM
Active
[WTS] Omega Aqua Terra 2517.30

Omega Aqua Terra 2517.30

Omega - 2517.30.00 · $1,695
A timeless classic that perfectly blends sporty elegance with everyday versatility, featuring a silver dial and 39.2 mm case.

  • Condition: Excellent overall
  • Case dimensions: 39.2 mm x 46.5mm x 11mm
  • Lug width: 20mm
  • Case material: Stainless Steel
Posted at
Oct 22, 2025, 11:49 AM
Active
[WTS] Omega Seamaster Aqua Terra 2517.50.00 Black Dial 150M Mens Watch And Papers $1600

Omega Seamaster Aqua Terra 2517.50.00 Black Dial 150M Mens Watch And Papers $1600

Omega - 2517.50.00 · $1,600
This Omega Seamaster Aqua Terra features a black dial and is powered by a quartz movement. The case width is 39mm, and it has a stainless steel band.

  • Condition: Pre-owned, with little wear & marks
  • Case width: 39mm (without crown)
  • Band size: up to 19cm
Posted at
Oct 22, 2025, 7:19 AM
Active
[WTS] Omega Aqua Terra 38 Black Teak

Omega Aqua Terra 38 Black Teak

Omega - Aqua Terra 38 · $4,300
For Sale is an Omega Aqua Terra 38 black teak dial which is sold out online.

  • Purchase Date: late September
  • Payment Methods: PayPal GS or FF, Zelle, Venmo
Posted at
Oct 21, 2025, 11:04 PM
Active