Omega Aqua Terra Seamaster Aqua Terra 150m Master Co-Axial 41.5 Stainless Steel / Red Gold / Silver / Bracelet

Reference 231.20.42.21.02.001

Omega Seamaster Aqua Terra 150m Master Co-Axial 41.5 Stainless Steel / Red Gold / Silver / Bracelet

About this watch

The Omega Seamaster Aqua Terra 150m Master Co-Axial is a stunning timepiece that exudes sophistication and technical prowess. This luxury watch boasts exceptional craftsmanship, combining stainless steel and red gold for a striking appearance. The round case diameter of 41.5 mm strikes a perfect balance between making a statement and being unobtrusive. The open case back reveals the intricate Omega caliber 8500 movement, which features a Co-Axial escapement that reduces friction and enhances longevity. With a water resistance of 150 meters, this watch is perfect for those who enjoy water sports or want peace of mind in wet conditions. The silver dial with red gold accents creates a striking yet elegant look, making it suitable for both formal and casual occasions.

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MSRP: $12,000

Market Price: $5,761

Key Features

Omega caliber 8500 movement
Stainless steel and red gold case
Sapphire glass
150 meters water resistance
60-hour power reserve
Co-Axial escapement
Silver dial with red gold accents

Specifications

Brand

Omega

Family

Aqua Terra

Model

Seamaster Aqua Terra 150m Master Co-Axial 41.5 Stainless Steel / Red Gold / Silver / Bracelet

Reference

231.20.42.21.02.001

Movement

8500

Movement Features

Hours, Minutes, Seconds
Date
Chronometer, Co-Axial Escapement

Case

41.5mm

Dial Color

Silver

Crystal

Sapphire

Water Resistance

150

Current Listings

Omega Seamaster Aqua Terra 38.5mm White Teak Dial Ref. 231.10.39.21.02.001 | Box & Instrucstions | Fresh Service | $2,899 Shipped

Omega - 231.10.39.21.02.001 · $2,899

This Omega Seamaster Aqua Terra features a beautiful white teak-pattern dial with applied faceted indices and signature blue accents, making it a clean and versatile timepiece that works equally well as a daily wearer or dressier option. The watch has been freshly serviced and is running strong with excellent timegrapher performance.

Condition: Very good overall, light signs of honest wear consistent with age
Case size: 38.5mm
Lug-to-lug: 46mm
Thickness: 12.8mm

Posted at

May 21, 2026, 11:45 AM

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omega Aqua Terra 41 on black leather

Omega - 220.13.41.21.01.001 · $3,000

a pre-owned Omega Aqua Terra 41 on black leather.

Condition: shows signs of wear

Posted at

May 21, 2026, 11:11 AM

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Omega Seamaster Aqua Terra 231.10.39.21.01.001 Black Teak 38.5mm - $2,590

Omega - 231.10.39.21.01.001 · $2,590

Up for sale is my great condition Omega Seamaster Aqua Terra, measuring at 38.5mm and featuring an automatic Omega Calibre 8500 movement.

Condition: Very good condition, minor marks/hairlines
Case size: 38.5mm diameter
Movement: automatic Omega Calibre 8500
Bracelet: original Omega steel bracelet

Posted at

May 20, 2026, 9:55 PM

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Omega Aqua Terra 220.10.41.21.01.001

Omega - 220.10.41.21.01.001 · $4,150

The Omega Aqua Terra is being sold with its complete set, except for the international warranty card. The watch has been checked by an in-house watchmaking team and comes with a master chronometer card.

Condition: great carefully worn condition
Serial Number: available upon request
Master Chronometer Card: included with the purchase
Pictograms: included with the purchase

Posted at

May 20, 2026, 6:54 PM

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Omega Seamaster Aqua Terra - 231.10.39.21.02.001 - With Papers - $3,250 ✈️

Omega - 231.10.39.21.02.001 · $3,250

This Omega Seamaster Aqua Terra is a high-end watch that combines style and functionality.

Papers: included

Posted at

May 20, 2026, 6:47 PM

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Omega Seamaster Aqua Terra – Annual Calendar – 38.5mm Blue Dial

Omega - 23110392203001 · $4,200

A versatile Omega Seamaster Aqua Terra Annual Calendar watch in blue dial that strikes a balance between technical sophistication and everyday wearability, featuring an annual calendar complication and clean design.

Condition: Excellent
Case Size: 38.5mm
Movement: Omega Co-Axial calibre 8601

Posted at

May 20, 2026, 12:56 PM

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2025 Omega Aqua Terra Worldtimer Titanium 220.92.43.22.99.001 - $9,500

Omega - 220.92.43.22.99.001 · $9,500

The Omega Seamaster Aqua Terra 150M GMT Worldtimer features a 43mm titanium case, brushed black ceramic bezel, and a black and grey dial with a laser-ablated topographic view of Earth. It also includes a 24-hour day/night ring with 24 world cities and is powered by the Co-Axial Master Chronometer Calibre 8938.

Condition: Excellent with minimal signs of wear
Case material: grade 2 titanium
Bezel material: brushed black ceramic
Dial description: black and grey with laser-ablated topographic view of Earth from above the North Pole

Posted at

May 19, 2026, 2:10 PM

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