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.

Buy Now on Jomashop

This is an affiliate link

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 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

Active

View listing on r/WatchExchange

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

Active

View listing on r/WatchExchange

[WTs] 2024 Omega Aqua Terra 43 mm GMT from Japan NO DUTIES in the US now 7000 USD OBO + label. Will FT. Accepting Zelle/Wire/PayPal. PayPal automatically charges tax.

2024 Omega Aqua Terra 43 mm GMT from Japan NO DUTIES in the US now 7000 USD OBO + label. Will FT. Accepting Zelle/Wire/PayPal. PayPal automatically charges tax.

Omega - 43mm GMT · $7,000

A 2024 Omega Aqua Terra 43mm GMT watch from Japan, available for sale in the US without duties.

Shipping Method: FEDEX overnight fully insured
Shipping Location: local FEDEX store of your choice

Posted at

Oct 23, 2025, 10:00 PM

Active

View listing on r/WatchExchange

Omega Aqua Terra Automatic 2504.30 36mm SIlver Dial $2250

Omega - 2504.30 · $2,250

This Omega Aqua Terra Automatic is a good timegrapher with freshly polished case, available in 36mm size.

Condition: Excellent condition
Case Size: 36mm
Diameter: 36mm

Posted at

Oct 23, 2025, 9:43 PM

Active

View listing on r/WatchExchange

2518.80 Omega Aqua Terra 36mm Blue Dial Quartz $1,625

Omega - 2518.80 · $1,625

A Omega Seamaster Aqua Terra 36mm watch with a blue dial, available for sale.

Condition: Mint
Case size: 36mm diameter
Water resistance: None mentioned
Movement type: Quartz

Posted at

Oct 23, 2025, 9:25 PM

Active

View listing on r/WatchExchange

Omega Aqua Terra White 38mm

Omega - 220.10.38.20.02.001 · $3,999

This Omega Aqua Terra is a 2021 model with papers and still under factory warranty.

Year: 2021
Warranty: Still under factory warranty
Papers: true

Posted at

Oct 22, 2025, 9:56 PM

Active

View listing on r/WatchExchange

Omega Aqua Terra Small Seconds 150mm

Omega - 220.12.41.21.02.005 · $4,500

The Omega Aqua Terra Small Seconds is a high-end watch with a 41mm case, 150m water resistance, and a COSC/METAS movement. It features a small seconds complication and comes with full box and papers.

Condition: Excellent
Water Resistance: 150m
Power Reserve: 60 hours
Movement: 8916 COSC/METAS

Posted at

Oct 22, 2025, 8:49 PM

Active

View listing on r/WatchExchange