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

Reference 231.23.39.21.51.001

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

About this watch

The Omega Seamaster Aqua Terra 150M Co-Axial 38.5 is a masterful blend of style and functionality. This luxurious timepiece boasts a stunning combination of red gold and stainless steel, giving it a sporty yet elegant appearance. The round case measures 38.50 mm in diameter, making it suitable for both men and women. The black dial features gem-set indexes that catch the light beautifully, adding a touch of sophistication to the overall design. Arrow-shaped hands enhance visibility while also adding a modern twist to its classic face. With a water resistance of up to 150 meters, this watch is designed for function as well as form. But what truly sets it apart is the Omega caliber 8500 movement, a certified chronometer that offers an impressive 60 hours of power reserve. The Co-Axial escapement reduces friction, extending the longevity of the watch's performance. Whether you're in a business meeting or enjoying a casual day out, this watch adapts beautifully to any scenario. It's a conversation starter, and with its exquisite design, reliable movement, and versatility, it easily earns its place in the coveted collection of luxury timepieces.

Buy Now on Jomashop

This is an affiliate link

Key Features

Omega caliber 8500 movement
Certified chronometer
60 hours power reserve
Co-Axial escapement
Water resistance up to 150 meters
Red gold and stainless steel construction
Sapphire glass
38.50 mm diameter case

Specifications

Brand

Omega

Family

Aqua Terra

Model

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

Reference

231.23.39.21.51.001

Movement

8500

Movement Features

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

Case

38.5mm

Dial Color

Black

Crystal

Sapphire

Water Resistance

150

Current Listings

2023 Omega Seamaster Aqua Terra Skyfall Blue 231.10.42.21.03.003 41.5mm Full Set - $4,795

Omega - 231.10.42.21.03.003 · $4,795

This Omega Seamaster Aqua Terra Skyfall Blue features a blue dial and is a limited edition model from 2023.

Condition: Excellent condition with minimal signs of wear.
Length: 41.5mm

Posted at

Apr 25, 2026, 9:55 AM

Active

View listing on r/WatchExchange

OMEGA Seamaster Aqua Terra Worldtimer "Summer Blue" Ref. 220.10.43.22.03.002 - ULTIMATE SET! 🔥$9,600🔥

OMEGA - 220.10.43.22.03.002 · $9,600

The OMEGA Seamaster Aqua Terra Worldtimer Ref. 220.10.43.22.03.002 is a sophisticated travel companion that puts the world on your wrist, featuring a 43mm stainless steel case and a dial that captures the essence of a perfect day at sea.

Condition: VERY GOOD - Some light scratches on case and bracelet.
Case size: 43mm
Bracelet size: ~7"
Contents: ULTIMATE SET - Includes box, papers, serial hang tag, spare links, shipping coffin, digital copy of original purchase receipt

Posted at

Apr 24, 2026, 6:15 PM

Active

View listing on r/WatchExchange

OMEGA Seamaster Aqua Terra 150M Terracotta Ref. 220.10.38.20.13.003 - ULTIMATE SET! 🔥$6,100🔥

OMEGA - 220.10.38.20.13.003 · $6,100

The OMEGA Seamaster Aqua Terra Ref. 220.10.38.20.13.003 features a Terracotta dial, symmetrical case design, and is powered by the Co-Axial Master Chronometer Calibre 8800.

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

Posted at

Apr 24, 2026, 6:12 PM

Active

View listing on r/WatchExchange

Omega Aqua Terra 2503.50

Omega - 2503.50 · $2,550

This Omega Aqua Terra 2503.50 automatic is a great example of an Omega's iconic design, with a reliable and accurate movement.

Condition: Great condition with some wear around the watch
Payment Methods Accepted: Pretty much every method, including crypto
Location: Southwest FL
Local Meet Available: Yes

Posted at

Apr 24, 2026, 1:04 PM

Active

View listing on r/WatchExchange

Omega Seamaster Aqua Terra - Black 39mm - 2503.50 - Clean!

Omega - 2503.50 · $2,750

A great pre-owned Omega Seamaster Aqua Terra in black with a 39mm size, available for sale.

Condition: pre-owned, minor wear
Size: 39mm diameter

Posted at

Apr 24, 2026, 12:47 PM

Active

View listing on r/WatchExchange

Omega Aqua Terra 2503.80 - 39mm - Blue Automatic

Omega - 2503.80 · $2,750

Aqua Terra Blue Dial Automatic watch in overall clean condition with a few small marks on the crystal.

Condition: pre-owned, overall clean condition with light wear throughout
Size: 39mm diameter
Dial color: Blue

Posted at

Apr 24, 2026, 12:44 PM

Active

View listing on r/WatchExchange

NOS Omega Seamaster Aqua Terra “James Bond” 007 Spectre 41.5mm Blue Teak Dial – Ref. 231.10.42.21.03.003

Omega - 231.10.42.21.03.003 · $4,949

The Omega Seamaster Aqua Terra is a luxury watch designed for everyday wear, featuring a stainless steel case and blue 'teak concept' dial. It's powered by the Omega Co-Axial Caliber 8500 automatic movement with a 60-hour power reserve. This watch has gained recognition as a sophisticated choice for those who value elegance and practicality.

Condition: Like New
Case size: 41.5mm
Water resistance: 150m
Movement power reserve: 60 hours

Posted at

Apr 24, 2026, 12:30 PM

Active

View listing on r/WatchExchange

Omega Aqua Terra Day-Date Blue Dial – Full Set – $3800

Omega - Aqua Terra Day-Date · $3,800

Up for sale is my Omega Aqua Terra Day/Date with a beautiful blue dial—looks even better in person. The watch is running well and keeping time within COSC specs.

Condition: Good condition with normal wear on the case
Water Depth Rating: 100m

Posted at

Apr 23, 2026, 7:50 PM

Active

View listing on r/WatchExchange

Omega Seamaster Aqua Terra 2517.50 39mm HAQ $1650 Shipped

Omega - 2517.50 · $1,650

This Omega Seamaster Aqua Terra is a great everyday option with a classic black dial look, offering quartz accuracy and maintenance.

Condition: Watch only, presents nicely with honest wear and light scratching, accurate HAQ movement
Bracelet size: fits 7.25in wrist
Movement: HAQ quartz

Posted at

Apr 23, 2026, 6:32 PM

Active

View listing on r/WatchExchange