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

Reference 231.23.39.21.02.001

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

About this watch

The Omega Seamaster Aqua Terra 150M Master Co-Axial is a masterpiece of luxury watchmaking, combining elegance with functionality in a single timepiece. Crafted from a blend of stainless steel and red gold, this stunning watch exudes opulence without being gaudy. The silver-toned dial features stick and dot indexes paired with arrow-shaped hands, providing excellent legibility and making it an ideal companion for both casual and formal occasions. At the heart of this timepiece is the in-house Omega caliber 8500, a marvel of engineering known for its reliability and precision. With a power reserve of 60 hours, you don't have to worry about winding it every day. The Co-Axial escapement improves accuracy and reduces friction between parts, making it a true chronometer. This watch is perfect for professionals who need a timepiece that transitions seamlessly from the office to a dinner date, as well as collectors who appreciate Omega's rich history and innovation.

Buy Now on Jomashop

This is an affiliate link

Key Features

Omega caliber 8500 movement
Stainless Steel / Red Gold case material
Sapphire crystal glass
150 meters water resistance
38.5 mm diameter
Co-Axial escapement for improved accuracy
60 hour power reserve

Specifications

Brand

Omega

Family

Aqua Terra

Model

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

Reference

231.23.39.21.02.001

Movement

8500

Movement Features

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

Case

38.5mm

Dial Color

Silver

Crystal

Sapphire

Water Resistance

150

Current Listings

OMEGA Seamaster Aqua Terra 150M Terracotta Ref. 220.10.38.20.13.003 - ULTIMATE SET! 🔥$6,500🔥

OMEGA - 220.10.38.20.13.003 · $6,500

The OMEGA Seamaster Aqua Terra Ref. 220.10.38.20.13.003 features a Terracotta dial, symmetrical case design, and a polished and brushed bracelet with rounded links.

Condition: UNWORN
Case size: 38mm
Material: stainless steel
Bracelet type: polished and brushed

Posted at

Jan 16, 2026, 6:38 PM

Active

View listing on r/WatchExchange

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

Active

View listing on r/WatchExchange

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

Active

View listing on r/WatchExchange

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

Active

View listing on r/WatchExchange

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

Active

View listing on r/WatchExchange

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

Active

View listing on r/WatchExchange

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

Active

View listing on r/WatchExchange

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

Active

View listing on r/WatchExchange

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

Active

View listing on r/WatchExchange