Omega Aqua Terra Seamaster Aqua Terra 150M Co-Axial 38.5 Stainless Steel / Yellow Gold / Grey / Bracelet

Reference 231.20.39.21.06.004

Omega Seamaster Aqua Terra 150M Co-Axial 38.5 Stainless Steel / Yellow Gold / Grey / Bracelet

About this watch

The Omega Seamaster Aqua Terra 231.20.39.21.06.004 is a masterclass in luxury watchmaking, blending classic elegance with modern functionality. This stunning timepiece boasts impressive technical specifications, including the Omega caliber 8500 automatic movement, Co-Axial escapement, and a power reserve of 60 hours. The combination of stainless steel and yellow gold gives it a luxurious yet robust feel, while the grey dial features stick and dot indexes for a clean and modern look. With its water resistance of up to 150 meters, this watch is perfect for those who enjoy aquatic adventures or daily wear. Whether you're at a business meeting or a beach party, the Omega Seamaster Aqua Terra elevates your outfit with its exceptional build quality and stylish design. As a chronometer, it has passed rigorous testing to ensure accuracy and reliability.

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MSRP: $7,700

Market Price: $3,492

Key Features

Omega caliber 8500 automatic movement
Co-Axial escapement for reduced friction and enhanced longevity
60-hour power reserve for reliable timekeeping
Water resistance of up to 150 meters for aquatic adventures or daily wear
Stainless steel and yellow gold construction for luxurious yet robust feel
Grey dial with stick and dot indexes for clean modern look
Sapphire glass for added durability and scratch resistance

Specifications

Brand

Omega

Family

Aqua Terra

Model

Seamaster Aqua Terra 150M Co-Axial 38.5 Stainless Steel / Yellow Gold / Grey / Bracelet

Reference

231.20.39.21.06.004

Movement

8500

Movement Features

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

Case

38.5mm

Dial Color

Grey

Crystal

Sapphire

Water Resistance

150

Current Listings

Omega Aqua Terra Quartz 38.5mm Grey 1538 231.10.39.61.06.001

Omega - 231.10.39.61.06.001 · $1,850

A well-maintained Omega Aqua Terra Quartz in Grey, measuring 38.5mm in diameter.

Condition: Good condition with little signs of use
Wrist size: 18.5cm
Shipping from: Singapore

Posted at

Feb 9, 2026, 10:18 PM

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Omega Seamaster Aqua Terra 150m | Master Co-Axial | 41.5mm | 231.10.42.21.03.003 Blue

Omega - 231.10.42.21.03.003 · $3,499

A Omega Seamaster Aqua Terra Master Co-Axial in blue, featuring a 41.5mm case and 7.25 inch bracelet.

Case Diameter: 41.5mm
Bracelet Length: 7.25"

Posted at

Feb 9, 2026, 9:28 PM

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Omega Seamaster Aqua Terra Silver Dial - 2504.30 - 36mm- $2,295 Shipped ✈️

Omega - 2504.30 · $2,295

This Omega Seamaster Aqua Terra features a beautiful sunburst silver dial and comes in a compact 36mm case diameter. The watch is suitable for small wrists between 6.75 and 7 inches.

Condition: Very good condition
Case Diameter: 36mm
Movement: Omega Co-axial 2500

Posted at

Feb 9, 2026, 5:46 PM

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Omega Seamaster Aqua Terra "Golf Edition" 41.5mm

Omega - 220.10.41.21.01.002

This Omega watch is a unique 'Golf Edition' of the popular Aqua Terra model, sized at 41.5mm.

Posted at

Feb 9, 2026, 4:28 PM

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OMEGA Seamaster Aqua Terra Worldtimer "Summer Blue" Ref. 220.10.43.22.03.002 - ULTIMATE SET! 🔥$10,100🔥

OMEGA - 220.10.43.22.03.002 · $10,100

A sophisticated travel companion with a 43mm stainless steel case, featuring a dial that captures the essence of a perfect day at sea, showcasing Earth on a grade 5 titanium plate.

Condition: VERY GOOD - Some light scratches on case and bracelet.
Case size: 43mm
Bracelet length: ~7in

Posted at

Feb 8, 2026, 7:36 PM

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OMEGA Seamaster Aqua Terra 150M Terracotta Ref. 220.10.38.20.13.003 - ULTIMATE SET! 🔥$6,300🔥

OMEGA - 220.10.38.20.13.003 · $6,300

The OMEGA Seamaster Aqua Terra Ref. 220.10.38.20.13.003 features a stunning Terracotta dial, symmetrical case design, and polished brushed bracelet.

Condition: UNWORN
Dial color: Terracotta
Case size: 38mm diameter
Bracelet length: ~7 inch pre-sized

Posted at

Feb 8, 2026, 7:33 PM

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Omega Seamaster Aqua Terra 150m | Calibre 8500 Co-Axial | 231.10.39.21.06.001

Omega - 231.10.39.21.06.001 · $2,750

Aqua Terra 150m with Calibre 8500 Co-Axial movement, a 38.5mm case size and a 7.25 inch long bracelet.

Case size: 38.5mm
Bracelet length: 7.25 inches

Posted at

Feb 8, 2026, 1:09 PM

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Omega Seamaster Aqua Terra 150m | Master Co-Axial | 41.5mm | 231.10.42.21.03.003 Blue

Omega - 231.10.42.21.03.003 · $3,699

This Omega Seamaster Aqua Terra Master Co-Axial features a blue dial and a 41.5mm case.

Case Diameter: 41.5mm
Bracelet Length: 7.25"
Accepted Payment Methods: Zelle, PayPal, or Western Union

Posted at

Feb 8, 2026, 1:00 PM

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Omega Seamaster Aqua Terra Worldtimer | Ref. 220.12.43.22.03.001 | 2024 | Full Set | Like New

Omega - 220.12.43.22.03.001 · $7,190

This Omega Seamaster Aqua Terra Worldtimer features a striking blue dial with a laser-ablated globe at the center, surrounded by 24-hour and global city rings for simultaneous reading of time zones worldwide.

Condition: Like New
Case size: 43mm diameter
Dial color: blue
Water resistance: 150m depth rating

Posted at

Feb 7, 2026, 1:12 AM

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