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.

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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

Omega Aqua Terra Annual Calendar 38.5mm 231.10.39.22.01.001 - 2020 Box and Papers

Omega - 231.10.39.22.01.001 · $4,150

This Omega Aqua Terra Annual Calendar features a 38.5mm case, annual calendar functionality, and is in excellent pre-owned condition with slight wear on high polished parts.

Condition: Excellent Pre-Owned Condition
Box Condition: terrible condition
Service History: unknown; +8-10 s/d 300+ AMP
Length Links: 16.5 links

Posted at

Oct 24, 2025, 11:12 PM

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Omega Aqua Terra 2518.50 w/ Box, Papers, Serviced in 2023

Omega - 2518.50 · $1,999

The Omega Aqua Terra 2518.50 is a versatile travel watch with a quartz movement and 150m water resistance. It features a jumping hour hand for easy time zone switching and a screw-down crown. The watch has a slow date change that starts at approximately 8 PM and ends at midnight.

Condition: Used with some wear and tear
Movement Type: Quartz
Water Resistance: 150m
Bracelet Size Range: 6-7.25 inches

Posted at

Oct 24, 2025, 7:49 PM

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Omega Seamaster Aqua Terra World Timer - Blue Dial - 2025 Full Set - Mint Condition

Omega - Seamaster Aqua Terra GMT World Timer · $6,665

This Omega Seamaster Aqua Terra GMT World Timer is a unique and useful watch with a map on the dial and city time zones. It's a statement piece that stands out amongst the Omega range, available in a nice size of 43mm.

Condition: Mint condition
Size: 43mm diameter
Year: 2025

Posted at

Oct 24, 2025, 7:31 PM

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Omega Aqua Terra 41mm - Turquoise with Ceramic Bezel

Omega - 220.32.41.21.03.001 · $6,150

The Omega Seamaster Aqua Terra 41mm features a turquoise fume dial with a black ceramic bezel, making it a refined and durable watch suitable for daily wear.

Condition: Great condition with hairline scratches along the side of the case and metal insert between the lugs
Diameter: 41mm

Posted at

Oct 24, 2025, 7:06 PM

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Omega Seamaster Aqua Terra Worldtimer 43mm “Summer Blue” 220.12.43.22.03.002 - 2024 Full Set

Omega - 220.12.43.22.03.002 · $7,950

2024 Omega Seamaster Aqua Terra Worldtimer 43mm in 'Summer Blue' condition, featuring a Master Chronometer certification.

Condition: Pre-owned with slight wear on case and buckle, faint hairlines on bezel
Case size: 43mm
Water resistance: 100m
Power reserve: +335 hours

Posted at

Oct 24, 2025, 1:49 AM

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Omega Seamaster Aqua Terra 38.5mm Black Teak Dial - Full Set, Excellent Condition

Omega - 231.10.39.21.01.002 · $3,600

Selling my Omega Aqua Terra with a black teak-patterned dial, in excellent condition. It comes with the original box, papers, bracelet links, and receipt of purchase.

Condition: Excellent condition with light surface wear and keeping excellent time
Case Size: 38.5mm diameter
Movement: Omega Co-Axial Caliber 8500
Water Resistance: 150m depth rating

Posted at

Oct 23, 2025, 11:34 PM

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