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

Reference 231.18.30.20.55.001

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

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.

Buy Now on Jomashop

This is an affiliate link

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

Omega Seamaster Aqua Terra 150 M – 38 mm (Ref. 220.10.38.20.03.005)

Omega - 220.10.38.20.03.005 · $5,699

This Omega Seamaster Aqua Terra 150 M is a versatile timepiece that perfectly balances sportiness and sophistication, making it ideal for daily wear.

Condition: Very good condition with light surface scratches
Case size: 38mm diameter
Movement: Master Chronometer-certified automatic calibre 8800 with approximately 55 hours power reserve
Water resistance: 150m (15 ATM)

Posted at

Oct 21, 2025, 9:15 PM

Active

View listing on r/WatchExchange

2024 OMEGA Seamaster Aqua Terra “Shades” Terracotta 220.10.38.20.13.003 38mm Full Set

OMEGA - 220.10.38.20.13.003 · $5,500

This 2024 OMEGA Seamaster Aqua Terra Shades Terracotta features a rich sunburst red dial and is powered by the Co-axial master chronometer calibre 8800 movement.

Condition: Excellent Pre-Owned condition
Movement: Automatic (Self Winding)
Power reserve: 72hrs
Case size: 38mm diameter

Posted at

Oct 21, 2025, 12:48 PM

Active

View listing on r/WatchExchange

2024 Omega Seamaster Aqua Terra 220.12.41.21.02.002 — Mint Condition, Box & Papers

Omega - 220.12.41.21.02.002

2024 Omega Seamaster Aqua Terra in mint condition, sold with original box and papers.

Condition: Mint Condition
Water resistance: 100m

Posted at

Oct 21, 2025, 9:01 AM

Active

View listing on r/WatchExchange

Omega Aqua Terra GMT

Omega - 220.12.43.22.03.001 · $8,000

This Omega Aqua Terra GMT is an excellent example of a beautiful watch, with one of the favorite dials in its price category.

Condition: Excellent
Crystal condition: excellent
Movement condition: excellent
Strap condition: leather

Posted at

Oct 20, 2025, 10:46 PM

Active

View listing on r/WatchExchange

Omega Seamaster Aqua Terra- Teak Concept blue dial 231.10.39.21.03.002 - 2023 Warranty

Omega - 231.10.39.21.03.002 · $4,550

The Omega Seamaster Aqua Terra, reference 231.10.39.21.03.002, is a 39mm luxury watch featuring a Teak Concept blue dial inspired by yacht decks, powered by the Co-Axial Caliber 8500 automatic movement.

Condition: Excellent
Case Size: 39mm
Diameter: 39mm
Movement: Omega Co-Axial Caliber 8500 (Automatic)

Posted at

Oct 20, 2025, 6:42 PM

Active

View listing on r/WatchExchange

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

Omega - 231.90.46.51.01.001

The Omega Seamaster Aqua Terra 150m Master Chronometer GMT is a luxury watch featuring a stainless steel case, 41mm diameter, and a date display at the 6 o'clock position.