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 38.5mm | 231.10.39.21.02.001 | Complete Set

Omega - 231.10.39.21.02.001 · $3,650

This Omega Aqua Terra is a 2019 model, complete with a large wooden double box set and various documentation.

Condition: Very good with minor scratches
Case size: 38.5mm diameter
Year: 2019

Posted at

Apr 23, 2026, 10:05 AM

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Omega Aqua Terra Black Wave Dial

Omega - 231.10.42.01.006 · $4,500

I'm selling an Omega Aqua Terra Black Wave Dial, which I bought from Japan last year as NOS and have only worn it about 10 times.

Condition: Pre-owned, like new
Origin: Japan
Warranty: No warranty provided
Shipping: Ships from Canada

Posted at

Apr 23, 2026, 9:40 AM

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Omega aqua Terra 39 grey dial

Omega - 231.10.39.21.06.001

This Omega Seamaster Aqua Terra 38.5mm features a grey teak-pattern dial, powered by an in-house Co-Axial Caliber 8500 with ~60-hour power reserve.

Condition: Excellent pre-owned condition
Case size: 38.5mm
Movement: Automatic (Co-Axial Caliber 8500)
Power reserve: ~60 hours

Posted at

Apr 22, 2026, 10:58 PM

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Omega Seamaster Aqua Terra Grey Teak 231.10.39.21.06.001

Omega - 231.10.39.21.06.001 · $2,899

This Omega Seamaster Aqua Terra features a classic teak-pattern gray dial and is available in very good condition.

Condition: Very good overall condition with minimal signs of use.
Case Size: 38.5mm
Movement Type: Omega Co-Axial automatic movement
Bracelet Length: up to approximately a 6.75" wrist

Posted at

Apr 22, 2026, 8:20 PM

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(Omega) Seamaster Aqua Terra 2517.50 $2,100

Omega - 2517.50 · $2,100

This is the Omega Seamaster Aqua Terra, a 1st gen reference 2517.50 with a black dial and quartz variant in great external condition.

Condition: Great external condition, keeping great time and functioning as intended
Size: 39mm diameter
Movement: quartz

Posted at

Apr 22, 2026, 5:30 PM

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2020 Omega Aqua Terra Captain’s Watch White/silver 6/20 Ref# 231.10.42.21.02.002 $3,299.00

Omega - 231.10.42.21.02.002 · $3,299

A 2020 Omega Aqua Terra Captain's Watch in white/silver, featuring a silvery white dial with Teak pattern and automatic self-winding movement.

Condition: Fantastic condition, with minor hairlines on the polished bezel and links.
Case size: 41.5mm
Water resistance depth rating: 150m
Movement caliber: 8500 Caliber

Posted at

Apr 22, 2026, 12:33 PM

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Omega Seamaster Aqua Terra Black Teak (full set)

Omega - Aqua Terra · $3,800

This Omega Seamaster Aqua Terra is a black Teak variant that comes with a full set of accessories. It features an alligator leather deployant strap and has been worn daily since purchase.

Condition: Minor wear
Strap: black Northstar sailcloth with grey stitching, alligator leather deployant strap

Posted at

Apr 22, 2026, 9:26 AM

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Omega Seamaster Aqua Terra Railmaster 2504.52 — $6800— Catch & Release, Serviced by Omega, Full Set

Omega - 2504.52 · $6,800

This Omega Seamaster Aqua Terra Railmaster is a 36mm stainless steel watch featuring a black dial, automatic movement, and an Omega 1575 stainless steel bracelet.

Condition: Excellent, minimal wear
Case material: Stainless steel
Diameter: 36mm
Lug width: 19mm

Posted at

Apr 22, 2026, 12:40 AM

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2019 Omega Seamaster Aqua Terra 150M 38.5mm Black dial Steel bracelet

Omega - 231.10.39.22.01.001 · $4,400

The Omega Seamaster Aqua Terra 150M Annual Calendar is a stainless steel watch with a black dial and Co-Axial escapement. It features an annual calendar complication, automatic date correction for March, and is COSC chronometer certified.

Condition: Great condition, minor flaws not visible to the eye
Case size: 38.5mm
Dial color: black
Water resistance: 150M

Posted at

Apr 21, 2026, 10:55 PM

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