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 Aqua Terra 36mm - Blue Dial - Quartz - 2518.80 - Clean!

Omega - 2518.80 · $1,695

A beautiful Omega Seamaster Aqua Terra Blue 36mm watch in good condition, with a clean case and bracelet.

Condition: Good overall condition, minimal wear
Size: 36mm diameter
Wrist size compatibility: up to 6.75 inches
Case and bezel condition: great shape

Posted at

Jan 16, 2026, 5:56 PM

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Omega Aqua Terra 41MM Turquoise (ceramic bezel) 220.32.41.21.03.001

Omega - 220.32.41.21.03.001 · $6,800

For sale is my Omega Aqua Terra 41MM Turquoise (ceramic bezel) 220.32.41.21.03.001, bought brand new in September of 2025 from a well-known West Coast USA Omega AD.

Condition: 99/100, Mint
Warranty: stamped warranty card and METAS cert
Case Material: c ceramic bezel
Band Material: black rubber with turquoise accent stitching

Posted at

Jan 16, 2026, 5:41 PM

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2023 Omega Aqua Terra Shades Saffron 220.10.38.20.12.001, Complete Set $4400 Shipped!

Omega - 220.10.38.20.12.001 · $4,400

A 2023 Omega Seamaster Aqua Terra Shades Collection in the Saffron color with a symmetrical case and crown.

Condition: Lightly worn, minor scuffs on clasp
Case Diameter: 38mm
Movement: Co-Axial Master Chronometer calibre 8800

Posted at

Jan 16, 2026, 10:29 AM

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Omega Seamaster Aqua Terra 41mm Blue 220.12.41.21.03.001 B&P $4500

Omega - 220.12.41.21.03.001 · $4,500

Case size: 41mm diameter

Posted at

Jan 16, 2026, 12:11 AM

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Omega Seamaster Aqua Terra 38.5MM “Blue Teak” 231.10.39.21.03.002 | 2020 Box and Papers

Omega - 231.10.39.21.03.002 · $3,999

2020 Omega Seamaster Aqua Terra 38.5MM 'Blue Teak' in excellent condition, with slight wear.

Condition: Excellent Pre-Owned Condition
Service history: Unknown; +12 s/d 340+ AMP
Length of links: 15.5 Links

Posted at

Jan 15, 2026, 7:20 PM

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OMEGA SEAMASTER AQUA TERRA 150M – 38mm BLUE DIAL Ref. 220.10.38.20.03.001 | Full Set | Excellent Condition | 2022

OMEGA - 220.10.38.20.03.001 · $4,750

The OMEGA SEAMASTER AQUA TERRA 150M features a blue horizontal 'teak' dial, inspired by luxury yachts, with serious technical credentials.

Condition: Excellent overall condition
Case size: 38mm stainless steel
Dial type: blue teak-pattern dial with applied indices
Crystal type: sapphire (front & display caseback)

Posted at

Jan 15, 2026, 6:30 PM

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Omega Seamaster Aqua Terra Blue Dial - 36mm - 2504.80 - Clean!

Omega - 2504.80 · $2,650

This discontinued mid-size Aqua Terra model features a highly sought-after 36.2mm case with a navy blue sunburst dial, powered by Omega’s Co-Axial automatic movement.

Condition: Excellent
Case size: 36.2mm
Diameter: 36.2mm
Movement: Co-Axial automatic

Posted at

Jan 15, 2026, 6:25 PM

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Omega Seamaster Aqua Terra Day-Date 231.10.42.22.01.001 – Full Kit – $3,750

Omega - 231.10.42.22.01.001 · $3,750

This Omega Seamaster Aqua Terra Day-Date features a black teak-pattern dial, day window at 12, and date at 6, powered by the in-house Caliber 8602 Co-Axial movement. The 41.5mm stainless steel case has a sapphire crystal and exhibition case back, offering 150m / 500ft water resistance.

Condition: Very good condition with normal light wear from use
Movement: Caliber 8602 Co-Axial
Case size: 41.5mm diameter
Water resistance: 150m / 500ft

Posted at

Jan 15, 2026, 2:35 PM

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