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

Reference 231.23.39.21.06.001

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

About this watch

The Omega Seamaster Aqua Terra 150M Co-Axial 38.5 is a luxurious timepiece that embodies precision, craftsmanship, and style. This stunning watch boasts an exquisite combination of stainless steel and red gold construction, giving it a luxurious yet durable appeal. The 38.5mm round shape strikes a perfect balance between boldness and subtlety, making it suitable for both men and women. The grey dial is sophisticated and versatile, pairing beautifully with various outfits. The open case back allows you to admire the intricate Omega caliber 8500 movement, which features two barrels providing a robust 60-hour power reserve. This chronometer has undergone rigorous testing to ensure its accuracy, meeting the standards set by the Swiss Official Chronometer Testing Institute (COSC). With a water resistance of 150 meters and an easy-to-read date function, this watch is perfect for daily wear. Its classic design ensures it won't go out of style, making it a timeless addition to any collection. For watch collectors, the Omega Seamaster Aqua Terra 150M Co-Axial 38.5 is a must-have, combining innovative movement, luxury materials, and stunning aesthetic. This remarkable choice offers both functionality and style, standing out among its peers.

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Key Features

Omega Caliber 8500 Movement
60-Hour Power Reserve
150M Water Resistance
Grey Dial with Stick and Dot Indexes
Red Gold Accents on Stainless Steel Case
Open Case Back for Visible Movement
Chronometer Certified by COSC

Specifications

Brand

Omega

Family

Aqua Terra

Model

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

Reference

231.23.39.21.06.001

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 Seamaster Aqua Terra Quartz - 38.5mm - 231.10.39.60.02.001 - Clean!

Omega - 231.10.39.60.02.001 · $1,995

A simple yet elegant OMEGA Seamaster Aqua Terra 150M with a Caliber 4564 quartz movement housed in a 38.5mm case, available at a great price point.

Case size: 38.5mm
Depth rating: 150m
Movement type: quartz

Posted at

Feb 3, 2026, 1:28 PM

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Oman Khanjar Stamped Omega Aqua Terra ($9,250)

Omega - 2201341211001 · $9,250

This Omega Aqua Terra features a green dial and is stamped with the Oman Khanjar emblem on the caseback.

Condition: pristine
Case size: 41mm diameter
Dial color: green

Posted at

Feb 2, 2026, 3:35 PM

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Omega Seamaster Aqua Terra Quartz - White Dial - 231.10.39.61.02.001

Omega - 231.10.39.61.02.001 · $1,995

This Omega Seamaster Aqua Terra Quartz features a white dial, quartz movement, and comes on its original stainless steel bracelet.

Condition: Pre-owned, minor wear throughout
Size: 38.5mm diameter
Movement: Quartz

Posted at

Feb 2, 2026, 1:23 PM

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Omega Seamaster Aqua Terra 150m, 38.5mm White/Silver Dial on Bracelet

Omega - 231.10.39.21.02.001 · $3,100

For sale is a Omega Seamaster Aqua Terra 150M with a 38.5mm steel case, white/silver dial and bracelet. It's in very good condition, keeping consistent time within spec.

Condition: Very good condition
Depth rating: 150m

Posted at

Feb 2, 2026, 11:11 AM

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Omega Seamaster Aqua Terra 150M – Skyfall Grey Teak Dial |Ref. 231.10.42.21.06.001 | 41.5 mm | Full Set | 2020 | Excellent Condition

Omega - 231.10.42.21.06.001 · $4,250

A timeless and highly versatile Seamaster Aqua Terra featuring the sought-after Skyfall grey teak-pattern dial, inspired by the wooden decks of luxury sailboats.

Condition: Excellent
Case size: 41.5mm
Material: stainless steel
Water resistance: 150m depth rating

Posted at

Feb 1, 2026, 10:51 PM

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Omega Seamaster Aqua Terra Silver Dial - 2504.30 - 36mm- $2,350 Shipped ✈️

Omega - 2504.30 · $2,350

This Omega Seamaster Aqua Terra features a beautiful sunburst silver dial and is available in a compact 36mm case diameter.

Condition: very good condition
Case diameter: 36mm
Movement: Omega Co-axial 2500
Wrist size fit: 6.75 - 7inch

Posted at

Feb 1, 2026, 5:00 PM

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Omega Aqua Terra “ SkyFall ” Blue Teak Dial - 231.10.42.21.03.003 - Box and Papers

Omega - 231.10.42.21.03.003 · $3,995

This Omega Seamaster Aqua Terra is a Blue Teak Dial watch with a size of 41.5mm, featuring a great pre-owned condition.

Condition: pre-owned with minor wear
Size: 41.5mm diameter
Box And Papers: yes
Warranty: no

Posted at

Feb 1, 2026, 4:48 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

The OMEGA Seamaster Aqua Terra Worldtimer features a 43mm stainless steel case with a 'Summer Blue' dial showcasing the Earth laser-ablated on a grade 5 titanium plate.

Condition: VERY GOOD, some light scratches on case and bracelet.
Case size: 43mm
Bracelet length: ~7"
Contents: ultimate set includes box, papers, serial hang tag, spare links (for fully-linked bracelet), shipping coffin, and digital copy of original purchase receipt

Posted at

Feb 1, 2026, 1:50 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 rhodium-plated hands with white Super-LumiNova for readability.

Condition: UNWORN
Case size: 38mm
Bracelet size: ~7"
Contents: box, papers, serial hang tag, spare links, shipping coffin, digital copy of original purchase receipt

Posted at

Feb 1, 2026, 1:47 PM

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